List of events | Adobe Commerce Developer Guide

This is the list of event names ordered alphabetically. Each event contains a short description and a list of supported arguments.

abstract_search_result_load_after

Use cases

To modify product stock items and stock statuses.

Origins

\Magento\Framework\Data\AbstractSearchResult:

protected function afterLoad()
{
   $this->eventManager->dispatch('abstract_search_result_load_after', ['collection' => $this]);

collection is an object of \Magento\Framework\Data\AbstractSearchResult

Examples of classes that raise the event

\Magento\CatalogInventory\Model\ResourceModel\Stock\Collection
\Magento\CatalogInventory\Model\ResourceModel\Stock\Item\Collection
\Magento\CatalogInventory\Model\ResourceModel\Stock\Status\Collection

abstract_search_result_load_before

Use cases

To modify product stock items and stock statuses.

Origins

\Magento\Framework\Data\AbstractSearchResult:

protected function beforeLoad()
{
$this->eventManager->dispatch('abstract_search_result_load_before', ['collection' => $this]);

collection is an object of \Magento\Framework\Data\AbstractSearchResult

Classes raising the event

\Magento\CatalogInventory\Model\ResourceModel\Stock\Collection
\Magento\CatalogInventory\Model\ResourceModel\Stock\Item\Collection
\Magento\CatalogInventory\Model\ResourceModel\Stock\Status\Collection

adminhtml_block_eav_attribute_edit_form_init

Use cases

To modify backend attribute edit page form.

Origins

\Magento\Eav\Block\Adminhtml\Attribute\Edit\Main\AbstractMain:

protected function _initFormValue()
{
$this->eventManager->dispatch('adminhtml_block_eav_attribute_edit_form_init', ['form' => $this->getForm()]);

form is an object of \Magento\Framework\Data\Form

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Main

adminhtml_block_html_before

Origins

\Magento\Backend\Block\Template::_toHtml():

protected function _toHtml()
{
$this->_eventManager->dispatch('adminhtml_block_html_before', ['block' => $this]);

\Magento\Customer\\Block\Adminhtml\Edit\Tab\Carts::_toHtml():

protected function _toHtml()
{
$this->_eventManager->dispatch('adminhtml_block_html_before', ['block' => $this]);

block is an object of \Magento\Framework\View\Element\Template

Classes raising the event

\Magento\AdminNotification\Block\System\Messages
\Magento\AdobeIms\Block\Adminhtml\SignIn

Use cases

To modify backend block contents.

adminhtml_block_promo_widget_chooser_prepare_collection

Use cases

To modify collection of shopping cart rules used in a chooser widget.

Origins

\Magento\SalesRule\Block\Adminhtml\Promo\Widget\Chooser::_prepareCollection():

protected function _prepareCollection()
{
...
$this->_eventManager->dispatch(
         'adminhtml_block_promo_widget_chooser_prepare_collection',
         ['collection' => $collection]
);

collection is an object of \Magento\SalesRule\Model\ResourceModel\Rule\Collection

Classes raising the event

\Magento\SalesRule\Block\Adminhtml\Promo\Widget\Chooser

adminhtml_block_salesrule_actions_prepareform

Use cases

To modify sales rule actions form.

Origins

\Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Actions::addTabToForm():

protected function addTabToForm($model
                              , $fieldsetId = 'actions_fieldset'
                              , $formName = 'sales_rule_form')
{
...
$this->_eventManager->dispatch('adminhtml_block_salesrule_actions_prepareform'
      , ['form' => $form]);
);

form is an object of \Magento\Framework\Data\Form

Classes raising the event

\Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Actions

adminhtml_cache_flush_all

Use cases

To perform actions before all cache is flushed.

Origins

\Magento\Backend\Controller\Adminhtml\Cache\FlushAll::execute():

public function execute()
{
$this->_eventManager->dispatch('adminhtml_cache_flush_all');

\Magento\Backend\Console\Command\CacheFlushCommand::performAction():

protected function performAction(array $cacheTypes)
{
$this->eventManager->dispatch('adminhtml_cache_flush_all');

Classes raising the event

\Magento\Backend\Controller\Adminhtml\Cache\FlushAll
\Magento\Backend\Console\Command\CacheFlushCommand

adminhtml_cache_flush_system

Use cases

To perform actions when system cache is cleaned.

Origins

\Magento\Translation\Model\Inline\CacheManager::updateAndGetTranslations():

public function updateAndGetTranslations()
{
$this->eventManager->dispatch('adminhtml_cache_flush_system');

\Magento\Backend\Controller\Adminhtml\Cache\FlushSystem::execute():

public function execute()
{
...
$this->_eventManager->dispatch('adminhtml_cache_flush_system');

\Magento\Backend\Console\Command\CacheCleanCommand::performAction()

  protected function performAction(array $cacheTypes)
  {
  $this->eventManager->dispatch('adminhtml_cache_flush_system');

Classes raising the the event

\Magento\Translation\Model\Inline\CacheManager
\Magento\Backend\Controller\Adminhtml\Cache\FlushSystem
\Magento\Backend\Console\Command\CacheCleanCommand

adminhtml_cache_refresh_type

Use cases

To perform actions before Full Page Cache is cleared.
To perform actions after Configuration Cache is cleared.

Origins

\Magento\Tax\Controller\Adminhtml\Tax\IgnoreTaxNotification::execute():

public function execute()
{
$this->_eventManager->dispatch('adminhtml_cache_refresh_type', ['type' => 'config']);

type for cache type cleared

\Magento\PageCache\Model\Cache\Type::clean():

public function clean($mode = \Zend_Cache::CLEANING_MODE_ALL, array $tags = [])
{
$this->eventManager->dispatch('adminhtml_cache_refresh_type');

Classes raising the the event

\Magento\Tax\Controller\Adminhtml\Tax\IgnoreTaxNotification
\Magento\PageCache\Model\Cache\Type

adminhtml_catalog_category_tree_can_add_root_category

Use cases

To change availability of adding root category.

Origins

\Magento\Catalog\Block\Adminhtml\Category\Tree::canAddRootCategory():

public function canAddRootCategory()
{
  $options = new \Magento\Framework\DataObject(['is_allow' => true]);
  $this->_eventManager->dispatch(
      'adminhtml_catalog_category_tree_can_add_root_category',
      ['category' => $this->getCategory(), 'options' => $options, 'store' => $this->getStore()->getId()]
  );

category - product category
options - \Magento\Framework\DataObject(['is_allow' => true])
store - current store ID

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Category\Checkboxes\Tree
\Magento\Catalog\Block\Adminhtml\Category\Widget\Chooser

adminhtml_catalog_category_tree_can_add_sub_category

Use cases

To change availability of adding a subcategory.

Origins

\Magento\Catalog\Block\Adminhtml\Category\Tree::canAddSubCategory():

public function canAddSubCategory()
{
      $options = new \Magento\Framework\DataObject(['is_allow' => true]);
      $this->_eventManager->dispatch(
         'adminhtml_catalog_category_tree_can_add_sub_category',
         ['category' => $this->getCategory(), 'options' => $options, 'store' => $this->getStore()->getId()]
      );

category - product category
options - \Magento\Framework\DataObject(['is_allow' => true])
store - current store ID

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Category\Checkboxes\Tree
\Magento\Catalog\Block\Adminhtml\Category\Widget\Chooser

adminhtml_catalog_category_tree_is_moveable

Use cases

To change moveability of a category.

Origins

\Magento\Catalog\Block\Adminhtml\Category\Tree::_isCategoryMoveable():

protected function _isCategoryMoveable($node)
{
      $options = new \Magento\Framework\DataObject(['is_moveable' => true, 'category' => $node]);

      $this->_eventManager->dispatch('adminhtml_catalog_category_tree_is_moveable', ['options' => $options]);

options - \Magento\Framework\DataObject(['is_moveable' => true, 'category' => $node])

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Category\Checkboxes\Tree
\Magento\Catalog\Block\Adminhtml\Category\Widget\Chooser

adminhtml_catalog_product_attribute_edit_frontend_prepare_form

Use cases

To customize a product attribute edit form.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Front::_prepareForm():

protected function _prepareForm()
{
...
$this->_eventManager->dispatch(
         'adminhtml_catalog_product_attribute_edit_frontend_prepare_form',
         ['form' => $form, 'attribute' => $attributeObject]
);

form is an object of \Magento\Framework\Data\Form
attribute is an object of \Magento\Catalog\Model\Entity\Attribute

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Front

adminhtml_catalog_product_attribute_set_main_html_before

Use cases

To customize the adminhtml catalog attribute set main block.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Main::_toHtml():

   protected function _toHtml()
   {
      $this->_eventManager->dispatch(
         'adminhtml_catalog_product_attribute_set_main_html_before',
         ['block' => $this]
      );

block is an object of \Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Main

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Main

adminhtml_catalog_product_attribute_set_toolbar_main_html_before

Use cases

To customize the adminhtml catalog attribute set toolbar main block.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Toolbar\Main::_toHtml():

   protected function _toHtml()
   {
      $this->_eventManager->dispatch(
         'adminhtml_catalog_product_attribute_set_toolbar_main_html_before',
         ['block' => $this]
      );

block is an object of \Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Toolbar\Main

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Set\Toolbar\Main

adminhtml_catalog_product_edit_element_types

Use cases

To add or customize additional element types for catalog product edit attributes tab.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes::_getAdditionalElementTypes():

 protected function _getAdditionalElementTypes()
 {
 ...
 $this->_eventManager->dispatch('adminhtml_catalog_product_edit_element_types',
    ['response' => $response]);

response is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Bundle\Block\Adminhtml\Catalog\Product\Edit\Tab\Attributes
\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes

adminhtml_catalog_product_edit_prepare_form

Origins

\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes::_prepareForm():

 protected function _prepareForm()
 {
 ...
         $this->_eventManager->dispatch(
             'adminhtml_catalog_product_edit_prepare_form',
             ['form' => $form, 'layout' => $this->getLayout()]
         );

\Magento\Catalog\Block\Adminhtml\Product\Attribute\NewAttribute\Product\Attributes::_prepareForm():

 protected function _prepareForm()
 {
 ...
     $this->_eventManager->dispatch('adminhtml_catalog_product_edit_prepare_form',
         ['form' => $form]
     );

form is an object of \Magento\Framework\Data\Form
layout is an object of \Magento\Framework\View\LayoutInterface

There are only three classes that raise this event:

\Magento\Bundle\Block\Adminhtml\Catalog\Product\Edit\Tab\Attributes
\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes
\Magento\Catalog\Block\Adminhtml\Product\Attribute\NewAttribute\Product\Attributes

Use cases

To customize catalog product edit attribute tab form

adminhtml_catalog_product_edit_tab_attributes_create_html_before

Origins

\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes\Create::_toHtml():

 protected function _toHtml()
 {
     $this->setCanShow(true);
     $this->_eventManager->dispatch(
         'adminhtml_catalog_product_edit_tab_attributes_create_html_before',
         ['block' => $this]
     );

block is an object of \Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes\Create

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Attributes\Create

Use cases

To customize catalog product edit create attribute block

adminhtml_catalog_product_form_prepare_excluded_field_list

Origins

\Magento\Catalog\Block\Adminhtml\Product\Edit\Action\Attribute\Tab\Attributes::_prepareForm():

 protected function _prepareForm(): void
 {
     $this->setFormExcludedFieldList($this->excludeFields);
     $this->_eventManager->dispatch(
         'adminhtml_catalog_product_form_prepare_excluded_field_list',
         ['object' => $this]
     );

object is an object of \Magento\Catalog\Block\Adminhtml\Product\Edit\Action\Attribute\Tab\Attributes

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Edit\Action\Attribute\Tab\Attributes

Use cases

To customize catalog product edit attribute tab block

adminhtml_catalog_product_grid_prepare_massaction

Use cases

To customize Mass Actions of a catalog product grid backend block.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Grid::_prepareMassaction():

 protected function _prepareMassaction()
 {
  ...

  $this->_eventManager->dispatch('adminhtml_catalog_product_grid_prepare_massaction',
                                 ['block' => $this]);
  return $this;
 }

block is an object of \Magento\Catalog\Block\Adminhtml\Product\Grid

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Grid
\Magento\UrlRewrite\Block\Catalog\Product\Grid

adminhtml_cmspage_on_delete

Origins

\Magento\Cms\Controller\Adminhtml\Page\Delete::execute():

 protected function execute()
 {
  ...
             $this->_eventManager->dispatch('adminhtml_cmspage_on_delete', [
                 'title' => $title,
                 'status' => 'success'
             ]);

             return $resultRedirect->setPath('*/*/');
         } catch (\Exception $e) {
             $this->_eventManager->dispatch(
                 'adminhtml_cmspage_on_delete',
                 ['title' => $title, 'status' => 'fail']
             );
  ...
 }

title is a string, title of a cms page
status is a string, ‘success’ or ‘fail’

Classes raising the event

\Magento\Cms\Controller\Adminhtml\Page\Delete

Use cases

To perform actions on either successful or unsuccessful cms page removal

adminhtml_controller_catalogrule_prepare_save

Origins

\Magento\CatalogRule\Controller\Adminhtml\Promo\Catalog\Save::execute():

 protected function execute()
 {
  ...
         try {
             $this->_eventManager->dispatch(
                 'adminhtml_controller_catalogrule_prepare_save',
                 ['request' => $this->getRequest()]
             );
  ...
 }

request is a page request object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\CatalogRule\Controller\Adminhtml\Promo\Catalog\Save

Use cases

To alter how a catalog price rule is being saved

adminhtml_controller_salesrule_prepare_save

Origins

\Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Save::execute():

 protected function execute()
 {
  ...
         try {
             ...
             $this->_eventManager->dispatch(
                 'adminhtml_controller_salesrule_prepare_save',
                 ['request' => $this->getRequest()]
             );
  ...
 }

request is a page request object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\SalesRule\Controller\Adminhtml\Promo\Quote\Save

Use cases

To alter how a cart price rule is being saved

adminhtml_customer_orders_add_action_renderer

Origins

\Magento\Sales\Block\Adminhtml\Reorder\Renderer\Action::render():

 public function render(\Magento\Framework\DataObject $row)
 {
     ...
     $this->_eventManager->dispatch(
         'adminhtml_customer_orders_add_action_renderer',
         ['renderer' => $this, 'row' => $row]
     );

renderer is an object of \Magento\Sales\Block\Adminhtml\Reorder\Renderer\Action
row is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Sales\Block\Adminhtml\Reorder\Renderer\Action

Use cases

To modify the way action sales admin reorder block is rendered

adminhtml_customer_prepare_save

Use cases

To modify a customer object before it is saved in admin panel.

Origins

\Magento\Customer\Controller\Adminhtml\Index\Save::execute():

   public function execute()
   {
   ...
               $this->_eventManager->dispatch(
                  'adminhtml_customer_prepare_save',
                  ['customer' => $customer, 'request' => $this->getRequest()]
               );

customer is an object of \Magento\Customer\Api\Data\CustomerInterface
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Customer\Controller\Adminhtml\Index\Save

adminhtml_customer_save_after

Use cases

To modify a customer object after it is saved in admin panel.

Origins

\Magento\Customer\Controller\Adminhtml\Index\Save::execute():

   public function execute()
   {
   ...
               $this->_eventManager->dispatch(
                  'adminhtml_customer_save_after',
                  ['customer' => $customer, 'request' => $this->getRequest()]
               );

customer is an object of \Magento\Customer\Api\Data\CustomerInterface
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Customer\Controller\Adminhtml\Index\Save

adminhtml_product_attribute_types

Use cases

To modify the way product attributes are processed.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Main::execute():

 private function processFrontendInputTypes(): void
 {
 ...
 $this->_eventManager->dispatch('adminhtml_product_attribute_types', ['response' => $response]);

\Magento\Catalog\Model\Product\Attribute\Source\Inputtype::toOptionArray():

public function toOptionArray()
{
...
$this->_eventManager->dispatch('adminhtml_product_attribute_types', ['response' => $response]);

response is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Attribute\Edit\Tab\Main
\Magento\Catalog\Model\Product\Attribute\Source\Inputtype

adminhtml_promo_quote_edit_tab_coupons_form_prepare_form

Use cases

To modify the admin coupon code form is generated.

Origins

\Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Form::_prepareForm():

   protected function _prepareForm()
   {
      $this->_eventManager->dispatch(
         'adminhtml_promo_quote_edit_tab_coupons_form_prepare_form',
         ['form' => $form]
      );

form is an object of \Magento\Framework\Data\Form

Classes raising the event

\Magento\SalesRule\Block\Adminhtml\Promo\Quote\Edit\Tab\Coupons\Form

adminhtml_sales_order_create_process_data

Use cases

To modify an order after it gets processed.

Origins

\Magento\Sales\Controller\Adminhtml\Order\Create::_processActionData():

   protected function _processActionData()
   {
   ...
      $eventData = [
         'order_create_model' => $this->_getOrderCreateModel(),
         'request' => $this->getRequest()->getPostValue(),
      ];

      $this->_eventManager->dispatch('adminhtml_sales_order_create_process_data', $eventData);

order_create_model is an object of \Magento\Sales\Model\AdminOrder\Create
request is an array of POST values

Classes raising the event

\Magento\Sales\Controller\Adminhtml\Order\Create\Cancel
\Magento\Sales\Controller\Adminhtml\Order\Create\ProcessData

adminhtml_sales_order_create_process_data_before

Use cases

To modify an order before it gets processed.

Origins

\Magento\Sales\Controller\Adminhtml\Order\Create::_processActionData():

   protected function _processActionData()
   {
      $eventData = [
         'order_create_model' => $this->_getOrderCreateModel(),
         'request_model' => $this->getRequest(),
         'session' => $this->_getSession(),
      ];

      $this->_eventManager->dispatch('adminhtml_sales_order_create_process_data_before', $eventData);

order_create_model is an object of \Magento\Sales\Model\AdminOrder\Create
request_model is an object of \Magento\Framework\App\RequestInterface
session is an object of \Magento\Backend\Model\Session\Quote

Classes raising the event

\Magento\Sales\Controller\Adminhtml\Order\Create\Cancel
\Magento\Sales\Controller\Adminhtml\Order\Create\ProcessData

adminhtml_sales_order_create_process_item_after

Use cases

To modify an order item after it gets processed.

Origins

\Magento\Sales\Controller\Adminhtml\Order\Create::_processActionData():

   protected function _processActionData()
   {
      $eventData = [
         'order_create_model' => $this->_getOrderCreateModel(),
         'request_model' => $this->getRequest(),
         'session' => $this->_getSession(),
      ];
   ...
      $this->_eventManager->dispatch('adminhtml_sales_order_create_process_item_after', $eventData);

order_create_model is an object of \Magento\Sales\Model\AdminOrder\Create
request_model is an object of \Magento\Framework\App\RequestInterface
session is an object of \Magento\Backend\Model\Session\Quote

Classes raising the event

\Magento\Sales\Controller\Adminhtml\Order\Create\Cancel
\Magento\Sales\Controller\Adminhtml\Order\Create\ProcessData

adminhtml_sales_order_create_process_item_before

Use cases

To modify an order item before it gets processed.

Origins

\Magento\Sales\Controller\Adminhtml\Order\Create::_processActionData():

   protected function _processActionData()
   {
      $eventData = [
         'order_create_model' => $this->_getOrderCreateModel(),
         'request_model' => $this->getRequest(),
         'session' => $this->_getSession(),
      ];
   ...
      $this->_eventManager->dispatch('adminhtml_sales_order_create_process_item_before', $eventData);

order_create_model is an object of \Magento\Sales\Model\AdminOrder\Create
request_model is an object of \Magento\Framework\App\RequestInterface
session is an object of \Magento\Backend\Model\Session\Quote

Classes raising the event

\Magento\Sales\Controller\Adminhtml\Order\Create\Cancel
\Magento\Sales\Controller\Adminhtml\Order\Create\ProcessData

adminhtml_sales_order_creditmemo_register_before

Use cases

To modify a credit memo before it gets saved in the registry.

Origins

\Magento\Sales\Controller\Adminhtml\Order\CreditmemoLoader::load():

 public function load()
 {
 ...
     $this->eventManager->dispatch(
         'adminhtml_sales_order_creditmemo_register_before',
         ['creditmemo' => $creditmemo, 'input' => $this->getCreditmemo()]
     );

creditmemo is an object of \Magento\Sales\Model\Order\Creditmemo
input is a data array

Classes raising the event

\Magento\Sales\Controller\Adminhtml\Order\CreditmemoLoader

adminhtml_store_edit_form_prepare_form

Use cases

To a store edit form before it gets rendered.

Origins

\Magento\Backend\Block\System\Store\Edit\AbstractForm::_prepareForm():

   protected function _prepareForm()
   {
   ...
      $this->_eventManager->dispatch('adminhtml_store_edit_form_prepare_form', ['block' => $this]);

block is an object of \Magento\Backend\Block\System\Store\Edit\AbstractForm

Classes raising the event

\Magento\Backend\Block\System\Store\Edit\Form\Website
\Magento\Backend\Block\System\Store\Edit\Form\Group
\Magento\Backend\Block\System\Store\Edit\Form\Store

adminhtml_system_config_advanced_disableoutput_render_before

Use cases

To alter modules list before they get displayed.

Origins

\Magento\Config\Block\System\Config\Form\Fieldset\Modules\DisableOutput::render():

   protected function render()
   {
   ...
      $dispatchResult = new \Magento\Framework\DataObject($modules);
      $this->_eventManager->dispatch(
         'adminhtml_system_config_advanced_disableoutput_render_before',
         ['modules' => $dispatchResult]
      );

modules is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Config\Block\System\Config\Form\Fieldset\Modules\DisableOutput

adminhtml_widget_grid_filter_collection

Use cases

To alter report collection or filter values.

Origins

\Magento\Reports\Block\Adminhtml\Grid::_prepareCollection():

   protected function _prepareCollection()
   {
   ...
         $this->_eventManager->dispatch(
               'adminhtml_widget_grid_filter_collection',
               ['collection' => $this->getCollection(), 'filter_values' => $this->_filterValues]
         );

collection is an object of \Magento\Reports\Model\ResourceModel\Report\Collection
filter_values is a value array

Classes raising the event

\Magento\Reports\Block\Adminhtml\Grid

admin_permissions_role_prepare_save

Use cases

To alter the role object before it is saved.

Origins

\Magento\User\Controller\Adminhtml\User\Role\SaveRole::execute():

   public function execute()
   {
   ...
         $this->_eventManager->dispatch(
               'admin_permissions_role_prepare_save',
               ['object' => $role, 'request' => $this->getRequest()]
         );

object is an object of \Magento\Authorization\Model\Role
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\User\Controller\Adminhtml\User\Role\SaveRole

admin_system_config_changed_section_currency

Use cases

To perform actions after currency symbol is set in admin panel.

Origins

\Magento\CurrencySymbol\Model\System\Currencysymbol::setCurrencySymbolsData():

   public function setCurrencySymbolsData($symbols = [])
   {
   ...
      $this->_eventManager->dispatch(
         'admin_system_config_changed_section_currency',
         ['website' => $this->_websiteId, 'store' => $this->_storeId]
      );

website is a website ID
store is a store ID

Classes raising the event

\Magento\CurrencySymbol\Model\System\Currencysymbol

admin_system_config_changed_section_currency_before_reinit

Use cases

To perform actions before admin configuration reinitialized.

Origins

\Magento\CurrencySymbol\Model\System\Currencysymbol::setCurrencySymbolsData():

   public function setCurrencySymbolsData($symbols = [])
   {
   ...
      $this->_eventManager->dispatch(
         'admin_system_config_changed_section_currency_before_reinit',
         ['website' => $this->_websiteId, 'store' => $this->_storeId]
      );

website is a website ID
store is a store ID

Classes raising the event

\Magento\CurrencySymbol\Model\System\Currencysymbol

admin_system_config_changed_section_design

Use cases

To perform actions after admin design section saved or deleted.

Origins

\Magento\Theme\Model\Design\Config\Plugin::afterSave():

 public function afterSave(DesignConfigRepository $subject, DesignConfigInterface $designConfig)
 {
 ...
     $this->eventManager->dispatch(
         'admin_system_config_changed_section_design',
         ['website' => $website, 'store' => $store]
     );

\Magento\Theme\Model\Design\Config\Plugin::afterDelete():

 public function afterDelete(DesignConfigRepository $subject, DesignConfigInterface $designConfig)
 {
 ...
     $this->eventManager->dispatch(
         'admin_system_config_changed_section_design',
         ['website' => $website, 'store' => $store]
     );

website is an object of \Magento\Store\Api\Data\WebsiteInterface
store is an object of \Magento\Store\Api\Data\StoreInterface

Classes raising the event

\Magento\Theme\Model\Design\Config\Plugin

admin_system_config_save

Use cases

To perform actions after admin configuration is saved.

Origins

\Magento\Config\Controller\Adminhtml\System\Config\Save::execute():

   public function execute()
   {
   ...
         $this->_eventManager->dispatch(
               'admin_system_config_save',
               ['configData' => $configData, 'request' => $this->getRequest()]
         );

configData is a data array
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Config\Controller\Adminhtml\System\Config\Save

admin_user_authenticate_after

Use cases

To perform actions after a user is authenticated.

Origins

\Magento\User\Model\User::authenticate():

 public function authenticate($username, $password)
 {
 ...
         $this->_eventManager->dispatch(
             'admin_user_authenticate_after',
             ['username' => $username, 'password' => $password, 'user' => $this, 'result' => $result]
         );

\Magento\User\Model\User::performIdentityCheck():

public function performIdentityCheck($passwordString)
{
...
     $this->_eventManager->dispatch(
         'admin_user_authenticate_after',
         [
             'username' => $this->getUserName(),
             'password' => $passwordString,
             'user' => $this,
             'result' => $isCheckSuccessful
         ]
     );

username is a username string
password is a password string
user is an object of \Magento\User\Model\User
result is a boolean value

Classes raising the event

\Magento\User\Model\User

admin_user_authenticate_before

Use cases

To perform actions before a user is authenticated.

Origins

\Magento\User\Model\User::authenticate():

   public function authenticate($username, $password)
   {
   ...
         $this->_eventManager->dispatch(
               'admin_user_authenticate_before',
               ['username' => $username, 'user' => $this]
         );

username is a username string
user is an object of \Magento\User\Model\User

Classes raising the event

\Magento\User\Model\User

amazon_customer_authenticated

Use cases

To perform actions before an Amazon user is authenticated.

Origins

\Amazon\Login\Helper\Session::dispatchAuthenticationEvent():

   protected function dispatchAuthenticationEvent()
   {
      $this->eventManager->dispatch('amazon_customer_authenticated');
   }

Used in functions:

   public function loginById($customerId)
   {
      $this->dispatchAuthenticationEvent();
   ...

   public function login(CustomerInterface $customerData)
   {
      $this->dispatchAuthenticationEvent();
   ...

Classes raising the event

\Amazon\Login\Helper\Session

amazon_login_authorize_error

Use cases

To handle an Amazon login exception.

Origins

\Amazon\Login\Controller\Login\Authorize::execute():

   public function execute()
   {
   ..
      $this->_eventManager->dispatch('amazon_login_authorize_error', ['exception' => $e]);
   }

exception is an object of Magento\Framework\Exception\ValidatorException or \Exception

Classes raising the event

\Amazon\Login\Controller\Login\Authorize

amazon_login_authorize_validation_error

Use cases

To handle a ValidatorException Amazon login exception.

Origins

\Amazon\Login\Controller\Login\Authorize::execute():

   public function execute()
   {
   ..
      $this->_eventManager->dispatch('amazon_login_authorize_validation_error', ['exception' => $e]);
   }

exception is an object of Magento\Framework\Exception\ValidatorException

Classes raising the event

\Amazon\Login\Controller\Login\Authorize

amazon_payment_authorize_before

Use cases

To perform actions before Amazon authorizes a payment.

Origins

\Amazon\Payment\Gateway\Request\AuthorizationRequestBuilder::build():

   public function build(array $buildSubject)
   {
   ..
         $transport = new DataObject($data);
         $this->eventManager->dispatch(
               'amazon_payment_authorize_before',
               [
                  'context' => 'authorization',
                  'payment' => $paymentDO->getPayment(),
                  'transport' => $transport
               ]
         );
   }

context is a string authorization
payment is an object of Magento\Payment\Model\InfoInterface
transport is a DataObject object

Classes raising the event

\Amazon\Payment\Gateway\Request\AuthorizationRequestBuilder

amazon_payment_pending_authorization_hard_decline_after

Use cases

To perform actions before a hard decline of Amazon payment.

Origins

\Amazon\Payment\Model\PaymentManagement\Authorization::hardDeclinePendingAuthorization():

   protected function hardDeclinePendingAuthorization(...)
   {
   ..
      $this->eventManager->dispatch(
         'amazon_payment_pending_authorization_hard_decline_after',
         [
               'order' => $order,
               'pendingAuthorization' => $pendingAuthorization,
         ]
      );
   }

order is an object of \Magento\Sales\Api\Data\OrderInterface
pendingAuthorization is an object of \Amazon\Payment\Api\Data\PendingAuthorizationInterface

Classes raising the event

\Amazon\Payment\Model\PaymentManagement\Authorization

amazon_payment_pending_authorization_soft_decline_after

Use cases

To perform actions before a soft Amazon payment decline.

Origins

\Amazon\Payment\Model\PaymentManagement\Authorization::softDeclinePendingAuthorization():

   protected function softDeclinePendingAuthorization(...)
   {
   ..
      $this->eventManager->dispatch(
         'amazon_payment_pending_authorization_soft_decline_after',
         [
               'order' => $order,
               'pendingAuthorization' => $pendingAuthorization,
         ]
      );
   }

order is an object of \Magento\Sales\Api\Data\OrderInterface
pendingAuthorization is an object of \Amazon\Payment\Api\Data\PendingAuthorizationInterface

Classes raising the event

\Amazon\Payment\Model\PaymentManagement\Authorization

assigned_theme_changed

Use cases

To perform actions after an assigned theme changed.

Origins

\Magento\Theme\Observer\CheckThemeIsAssignedObserver::execute():

   public function execute(EventObserver $observer)
   {
   ..
      $this->eventDispatcher->dispatch('assigned_theme_changed', ['theme' => $theme]);
   }

theme is an object of \Magento\Framework\View\Design\ThemeInterface

Classes raising the event

\Magento\Theme\Observer\CheckThemeIsAssignedObserver

assign_theme_to_stores_after

Use cases

To perform actions after a new theme is assigned to a store.

Origins

\Magento\Theme\Model\Config::assignToStore():

   public function assignToStore(...)
   {
   ..
      $this->_eventManager->dispatch(
         'assign_theme_to_stores_after',
         ['stores' => $stores, 'scope' => $scope, 'theme' => $theme]
      );
   }

stores is an array of stores
scope - scope value defined in \Magento\Store\Model\ScopeInterface
theme is an object of \Magento\Framework\View\Design\ThemeInterface

Classes raising the event

\Magento\Theme\Model\Config

backend_auth_user_login_failed

Use cases

To perform actions after a backend login attempt has failed.

Origins

\Magento\Backend\Model\Auth::login():

   public function login($username, $password)
   {
   ..
      } catch (PluginAuthenticationException $e) {
         $this->_eventManager->dispatch(
               'backend_auth_user_login_failed',
               ['user_name' => $username, 'exception' => $e]
         );
         throw $e;
      } catch (\Magento\Framework\Exception\LocalizedException $e) {
         $this->_eventManager->dispatch(
               'backend_auth_user_login_failed',
               ['user_name' => $username, 'exception' => $e]
         );
   }

user_name - username string
exception is an object of \Magento\Framework\Exception\LocalizedException or \Magento\Framework\Exception\Plugin\AuthenticationException

Classes raising the event

\Magento\Backend\Model\Auth

backend_auth_user_login_success

Use cases

To perform actions after a successful backend login attempt.

Origins

\Magento\Backend\Model\Auth::login():

   public function login($username, $password)
   {
   ..
               $this->_eventManager->dispatch(
                  'backend_auth_user_login_success',
                  ['user' => $this->getCredentialStorage()]
               );
   }

user is an object of \Magento\Backend\Model\Auth\Credential\StorageInterface

Classes raising the event

\Magento\Backend\Model\Auth

backend_block_widget_grid_prepare_grid_before

Use cases

To perform actions before a backend grid is prepared.

Origins

\Magento\Backend\Block\Widget\Grid::_prepareGrid():

   protected function _prepareGrid()
   {
      $this->_eventManager->dispatch(
         'backend_block_widget_grid_prepare_grid_before',
         ['grid' => $this, 'collection' => $this->getCollection()]
      );
   }

this is an object of \Magento\Backend\Block\Widget\Grid
collection is an object of \Magento\Framework\Data\Collection

Classes raising the event

\Magento\AdvancedSearch\Block\Adminhtml\Search\Grid
\Magento\Newsletter\Block\Adminhtml\Subscriber\Grid

braintree_googlepay_update_quote_after

Use cases

To perform actions after braintree updates a quote.

Origins

\PayPal\Braintree\Model\GooglePay\Helper\QuoteUpdater::updateQuote():

   private function updateQuote(Quote $quote, array $details)
   {
   ...
      $this->eventManager->dispatch('braintree_googlepay_update_quote_after', [
         'quote' => $quote,
         'googlepay_response' => $details
      ]);
   }

quote is an object of \Magento\Quote\Model\Quote
googlepay_response is a response array

Classes raising the event

\PayPal\Braintree\Model\GooglePay\Helper\QuoteUpdater

braintree_googlepay_update_quote_before

Use cases

To perform actions before braintree updates a quote.

Origins

\PayPal\Braintree\Model\GooglePay\Helper\QuoteUpdater::updateQuote():

 private function updateQuote(Quote $quote, array $details)
 {
     $this->eventManager->dispatch('braintree_googlepay_update_quote_before', [
         'quote' => $quote,
         'googlepay_response' => $details
     ]);
 }

quote is an object of \Magento\Quote\Model\Quote
googlepay_response is a response array

Classes raising the event

\PayPal\Braintree\Model\GooglePay\Helper\QuoteUpdater

braintree_paypal_update_quote_after

Use cases

To perform actions after Braintree updates a quote.

Origins

\PayPal\Braintree\Model\Paypal\Helper\QuoteUpdater::updateQuote():

   private function updateQuote(Quote $quote, array $details)
   {
   ...
      $this->eventManager->dispatch('braintree_paypal_update_quote_before', [
         'quote' => $quote,
         'paypal_response' => $details
      ]);
   }

quote is an object of \Magento\Quote\Model\Quote
paypal_response is a response array

Classes raising the event

\PayPal\Braintree\Model\Paypal\Helper\QuoteUpdater

braintree_paypal_update_quote_before

Use cases

To perform actions before Braintree updates a quote.

Origins

\PayPal\Braintree\Model\Paypal\Helper\QuoteUpdater::updateQuote():

   private function updateQuote(Quote $quote, array $details)
   {
      $this->eventManager->dispatch('braintree_paypal_update_quote_before', [
         'quote' => $quote,
         'paypal_response' => $details
      ]);
   }

quote is an object of \Magento\Quote\Model\Quote
paypal_response is a response array

Classes raising the event

\PayPal\Braintree\Model\Paypal\Helper\QuoteUpdater

catalogrule_dirty_notice

Use cases

To perform actions when some catalog rules have changed but changes have not been applied yet.

Origins

\Magento\CatalogRule\Controller\Adminhtml\Promo\Catalog\Index::execute():

   public function execute()
   {
      $dirtyRules = $this->_objectManager->create(\Magento\CatalogRule\Model\Flag::class)->loadSelf();
      $this->_eventManager->dispatch(
         'catalogrule_dirty_notice',
         ['dirty_rules' => $dirtyRules, 'message' => $this->getDirtyRulesNoticeMessage()]
      );
   }

dirty_rules is an object of \Magento\CatalogRule\Model\Flag
message is a message string

Classes raising the event

\Magento\CatalogRule\Controller\Adminhtml\Promo\Catalog\Index

catalogsearch_reset_search_result

Use cases

To perform actions when search results are reset.

Origins

\Magento\CatalogSearch\Model\ResourceModel\Fulltext::resetSearchResults():

 public function resetSearchResults()
 {
 ...
     $this->_eventManager->dispatch('catalogsearch_reset_search_result');
     return $this;
 }

\Magento\CatalogSearch\Model\ResourceModel\Fulltext::resetSearchResultsByStore():

 public function resetSearchResultsByStore($storeId)
 {
 ...
     $this->_eventManager->dispatch('catalogsearch_reset_search_result', ['store_id' => $storeId]);

store_id is a store identifier.

Classes raising the event

\Magento\CatalogSearch\Model\ResourceModel\Fulltext

catalogsearch_searchable_attributes_load_after

Use cases

To perform actions after searchable attributes get loaded.

Origins

\Magento\CatalogSearch\Model\Indexer\Fulltext\Action\DataProvider::getSearchableAttributes():

   public function getSearchableAttributes($backendType = null)
   {
   ...
         $this->eventManager->dispatch(
               'catalogsearch_searchable_attributes_load_after',
               ['engine' => $this->engine, 'attributes' => $attributes]
         );
   }

engine is an object of \Magento\CatalogSearch\Model\ResourceModel\EngineInterface
attributes is an array of attributes

Classes raising the event

\Magento\CatalogSearch\Model\Indexer\Fulltext\Action\DataProvider

catalog_block_product_list_collection

Use cases

To perform actions with a product collection after it is initialized.

Origins

\Magento\Catalog\Block\Product\ListProduct::initializeProductCollection():

   private function initializeProductCollection()
   {
   ...
      $this->_eventManager->dispatch(
         'catalog_block_product_list_collection',
         ['collection' => $collection]
      );
   }

collection is an object of \Magento\Eav\Model\Entity\Collection\AbstractCollection

Classes raising the event

\Magento\Catalog\Block\Product\ProductList\Random
\Magento\Catalog\Block\Product\ProductList\Promotion

catalog_block_product_status_display

Use cases

To perform actions when the displayProductStockStatus() function is called.

Origins

\Magento\Catalog\Block\Product\AbstractProduct::displayProductStockStatus():

   public function displayProductStockStatus()
   {
      $statusInfo = new \Magento\Framework\DataObject(['display_status' => true]);
      $this->_eventManager->dispatch('catalog_block_product_status_display'
                                    , ['status' => $statusInfo]);
      return (bool) $statusInfo->getDisplayStatus();
   }

status is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Reports\Block\Product\Compared
\Magento\Reports\Block\Product\Widget\Viewed\Item

catalog_category_change_products

Use cases

To perform actions after new products get assigned to a category. Assigned products get unassigned, or positions of assigned products are changed.

Origins

\Magento\Catalog\Model\ResourceModel\Category::_saveCategoryProducts():

   protected function _saveCategoryProducts($category)
   {
   ...
         $this->_eventManager->dispatch(
               'catalog_category_change_products',
               ['category' => $category, 'product_ids' => $productIds]
         );
   }

category is an object of \Magento\Catalog\Model\Category
product_ids is a product IDs array

Classes raising the event

\Magento\Catalog\Model\ResourceModel\Category

catalog_category_delete_after_done

Use cases

To perform actions after a category gets deleted.

Origins

\Magento\Catalog\Model\ResourceModel\Category::delete():

 public function delete($object)
 {
     $this->getEntityManager()->delete($object);
     $this->_eventManager->dispatch(
         'catalog_category_delete_after_done',
         ['product' => $object, 'category' => $object]
     );
     return $this;
 }

product is an object of \Magento\Catalog\Model\Category
category is an object of \Magento\Catalog\Model\Category

Classes raising the event

\Magento\Catalog\Model\ResourceModel\Category

catalog_category_flat_loadnodes_before

Use cases

To modify a select object before category flat nodes are loaded.

Origins

\Magento\Catalog\Model\ResourceModel\Category\Flat::_loadNodes():

   protected function _loadNodes($parentNode = null, $recursionLevel = 0, $storeId = 0, $skipMenuFilter = false)
   {
   ...
      $this->_eventManager->dispatch('catalog_category_flat_loadnodes_before'
                                    , ['select' => $select]);

select is an object of Zend_Db_Select

Classes raising the event

\Magento\Catalog\Model\ResourceModel\Category\Flat

catalog_category_prepare_save

Use cases

To modify a category before it is saved.

Origins

\Magento\Catalog\Controller\Adminhtml\Category\Save::execute():

   public function execute()
   {
   ...
               $this->_eventManager->dispatch(
                  'catalog_category_prepare_save',
                  ['category' => $category, 'request' => $this->getRequest()]
               );

category is an object of \Magento\Catalog\Model\Category
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Category\Save

catalog_category_tree_init_inactive_category_ids

Use cases

To add more inactive category IDs.

Origins

\Magento\Catalog\Model\ResourceModel\Category\Tree::_initInactiveCategoryIds()

\Magento\Catalog\Model\ResourceModel\Category\Flat::_initInactiveCategoryIds():

 protected function _initInactiveCategoryIds()
 {
     $this->_inactiveCategoryIds = [];
     $this->_eventManager->dispatch('catalog_category_tree_init_inactive_category_ids', ['tree' => $this]);
     return $this;
 }

tree is an object of \Magento\Catalog\Model\ResourceModel\Category\Tree or \Magento\Catalog\Model\ResourceModel\Category\Flat

Classes that raise the event

\Magento\Catalog\Model\ResourceModel\Category\Tree
\Magento\Catalog\Model\ResourceModel\Category\Flat

catalog_controller_category_delete

Use cases

To perform actions before a category gets deleted.

Origins

\Magento\Catalog\Controller\Adminhtml\Category\Delete::execute():

   public function execute()
   {
   ...
               $this->_eventManager->dispatch('catalog_controller_category_delete', ['category' => $category]);

category is an object of \Magento\Catalog\Model\Category

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Category\Delete

catalog_controller_category_init_after

Use cases

To perform actions after a category gets initialized.

Origins

\Magento\Catalog\Controller\Category\View::_initCategory():

   protected function _initCategory()
   {
   ...
         $this->_eventManager->dispatch(
               'catalog_controller_category_init_after',
               ['category' => $category, 'controller_action' => $this]
         );

category is an object of \Magento\Catalog\Model\Category
controller_action is an object of \Magento\Catalog\Controller\Category\View

Classes raising the event

\Magento\Catalog\Controller\Category\View

catalog_controller_product_init_after

Use cases

To perform actions after a product gets initialized.

Origins

\Magento\Catalog\Helper\Product::initProduct():

   public function initProduct($productId, $controller, $params = null)
   {
   ...
         $this->_eventManager->dispatch(
               'catalog_controller_product_init_after',
               ['product' => $product, 'controller_action' => $controller]
         );

product is an object of \Magento\Catalog\Model\Product
controller_action is an object of \Magento\Framework\App\Action\Action

Classes raising the event

\Magento\Catalog\Helper\Product

catalog_controller_product_init_before

Use cases

To perform actions before a product gets initialized.

Origins

\Magento\Catalog\Helper\Product::initProduct():

   public function initProduct($productId, $controller, $params = null)
   {
   ...
      $this->_eventManager->dispatch(
         'catalog_controller_product_init_before',
         ['controller_action' => $controller, 'params' => $params]
      );

params is an object of \Magento\Framework\DataObject
controller_action is an object of \Magento\Framework\App\Action\Action

Classes raising the event

\Magento\Catalog\Helper\Product

catalog_controller_product_view

Use cases

To perform actions before a product page is displayed on the frontend.

Origins

\Magento\Catalog\Helper\Product\View::prepareAndRender():

   public function initProduct($productId, $controller, $params = null)
   {
   ...
      $this->_eventManager->dispatch('catalog_controller_product_view', ['product' => $product]);

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Catalog\Helper\Product\View

catalog_prepare_price_select

Use cases

To modify the way prices are added to a select statement.

Origins

\Magento\Catalog\Model\ResourceModel\Product\Collection::_preparePriceExpressionParameters():

   protected function _preparePriceExpressionParameters($select)
   {
   ...
      $eventArgs = [
         'select' => $select,
         'table' => $table,
         'store_id' => $this->getStoreId(),
         'response_object' => $response,
      ];

      $this->_eventManager->dispatch('catalog_prepare_price_select', $eventArgs);

select is an object of \Magento\Framework\DB\Select
table is a table name
store_id is a store ID
response_object is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Reports\Model\ResourceModel\Product\Lowstock\Collection
\Magento\Reports\Model\ResourceModel\Product\Downloads\Collection

catalog_product_attribute_update_before

Use cases

To perform actions before a product attribute(s) gets updated.

Origins

\Magento\Catalog\Model\Product\Action::updateAttributes():

   public function updateAttributes($productIds, $attrData, $storeId)
   {
      $this->_eventManager->dispatch(
         'catalog_product_attribute_update_before',
         ['attributes_data' => &$attrData, 'product_ids' => &$productIds, 'store_id' => &$storeId]
      );

attributes_data is a data array
product_ids is a product IDs array
store_id is a store ID

Classes raising the event

\Magento\Catalog\Model\Product\Action

catalog_product_collection_apply_limitations_after

Use cases

To perform actions after product collection limitations have been applied.

Origins

\Magento\Catalog\Model\ResourceModel\Product\Collection::_applyProductLimitations():

   protected function _applyProductLimitations()
   {
   ...
      $this->_eventManager->dispatch(
         'catalog_product_collection_apply_limitations_after',
         ['collection' => $this]
      );

collection is an object of \Magento\Catalog\Model\ResourceModel\Product\Collection

Classes raising the event

\Magento\Reports\Model\ResourceModel\Product\Downloads\Collection
\Magento\Reports\Model\ResourceModel\Product\Lowstock\Collection

catalog_product_collection_before_add_count_to_categories

Use cases

To perform actions before category counts get added to a product collection.

Origins

\Magento\Catalog\Model\ResourceModel\Product\Collection::addCountToCategories():

 public function addCountToCategories($categoryCollection)
 {
 ...
         $this->_eventManager->dispatch(
             'catalog_product_collection_before_add_count_to_categories',
             ['collection' => $this]
         );

collection is an object of \Magento\Catalog\Model\ResourceModel\Product\Collection

Classes raising the event

\Magento\Reports\Model\ResourceModel\Product\Downloads\Collection
\Magento\Reports\Model\ResourceModel\Product\Lowstock\Collection

catalog_product_collection_load_after

Use cases

To perform actions after a product collection gets loaded.

Origins

\Magento\Catalog\Model\ResourceModel\Product\Collection::_afterLoad():

   protected function _afterLoad()
   {
   ...
   $this->_eventManager->dispatch('catalog_product_collection_load_after', ['collection' => $this]);

collection is an object of \Magento\Catalog\Model\ResourceModel\Product\Collection

Classes raising the event

\Magento\Reports\Model\ResourceModel\Product\Downloads\Collection
\Magento\Reports\Model\ResourceModel\Product\Lowstock\Collection

catalog_product_compare_add_product

Use cases

To perform actions after a product gets added to a compare list.

Origins

\Magento\Catalog\Controller\Product\Compare\Add::execute():

   public function execute()
   {
   ...
   $this->_eventManager->dispatch('catalog_product_compare_add_product', ['product' => $product]);

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Catalog\Controller\Product\Compare\Add

catalog_product_compare_item_collection_clear

Use cases

To perform actions after a compare list collection gets cleared.

Origins

\Magento\Catalog\Model\ResourceModel\Product\Compare\Item\Collection::clear():

   public function clear()
   {
      $this->_catalogProductCompareItem->clearItems($this->getVisitorId(), $this->getCustomerId());
      $this->_eventManager->dispatch('catalog_product_compare_item_collection_clear');
   ...

Classes raising the event

\Magento\Catalog\Model\ResourceModel\Product\Compare\Item\Collection

catalog_product_compare_remove_product

Use cases

To perform actions after a product gets removed from a compare list.

Origins

\Magento\Catalog\Controller\Product\Compare\Remove::execute(): d

   public function execute()
   {
   ...
                  $this->_eventManager->dispatch(
                     'catalog_product_compare_remove_product',
                     ['product' => $item]
                  );
   ...

product is an object of \Magento\Catalog\Model\Product\Compare\Item

Classes raising the event

\Magento\Catalog\Controller\Product\Compare\Remove

catalog_product_delete_after_done

Use cases

To perform actions after a product gets deleted.

Origins

\Magento\Catalog\Model\ResourceModel\Product::delete():

   public function delete($object)
   {
      $this->getEntityManager()->delete($object);
      $this->eventManager->dispatch(
         'catalog_product_delete_after_done',
         ['product' => $object]
      );
   ...

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Catalog\Model\ResourceModel\Product
\Magento\CatalogImportExport\Model\Import\Proxy\Product\ResourceModel

catalog_product_edit_action

Use cases

To perform actions after a product gets edited in admin panel.

Origins

\Magento\Catalog\Controller\Adminhtml\Product\Edit::execute():

   public function execute()
   {
   ...
      $this->_eventManager->dispatch('catalog_product_edit_action', ['product' => $product]);

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Downloadable\Controller\Adminhtml\Downloadable\Product\Edit\Edit
\Magento\Bundle\Controller\Adminhtml\Bundle\Product\Edit\Edit

catalog_product_gallery_prepare_layout

Use cases

To modify the way a product admin gallery block layout is rendered.

Origins

\Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content::_prepareLayout():

   protected function _prepareLayout()
   {
   ...
      $this->_eventManager->dispatch('catalog_product_gallery_prepare_layout', ['block' => $this]);

block is an object of \Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content

Classes raising the event

\Magento\Catalog\Block\Adminhtml\Product\Helper\Form\Gallery\Content

catalog_product_gallery_upload_image_after

Use cases

To perform an action after product gallery image gets uploaded.

Origins

\Magento\Catalog\Controller\Adminhtml\Product\Gallery\Upload::execute():

   public function execute()
   {
   ...
         $this->_eventManager->dispatch(
               'catalog_product_gallery_upload_image_after',
               ['result' => $result, 'action' => $this]
         );

result is an array of uploader save data
action is an object of \Magento\Catalog\Controller\Adminhtml\Product\Gallery\Upload

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Product\Gallery\Upload

catalog_product_get_final_price

Use cases

To alter the way the final product price is generated.

Origins

\Magento\Catalog\Model\Product\Type\Price::getFinalPrice():

 public function getFinalPrice($qty, $product)
 {
 ...
  $this->_eventManager->dispatch('catalog_product_get_final_price', ['product' => $product, 'qty' => $qty]);

\Magento\Bundle\Pricing\Price\BundleSelectionPrice::getValue():

public function getValue()
{
...
             $this->eventManager->dispatch(
                 'catalog_product_get_final_price',
                 ['product' => $product, 'qty' => $this->bundleProduct->getQty()]
             );

\Magento\Bundle\Model\Product\Price::getSelectionFinalTotalPrice():

     public function getSelectionFinalTotalPrice(
        $bundleProduct,
        $selectionProduct,
        $bundleQty,
        $selectionQty,
        $multiplyQty = true,
        $takeTierPrice = true
    ) {
    ...
                 $this->_eventManager->dispatch(
                    'catalog_product_get_final_price',
                    ['product' => $product, 'qty' => $bundleQty]
                );

product is an object of \Magento\Catalog\Model\Product
qty for quantity float or null

Classes raising the event

\Magento\Bundle\Model\Product\Price
\Magento\Downloadable\Model\Product\Price
\Magento\GroupedProduct\Model\Product\Type\Grouped\Price

catalog_product_import_bunch_delete_after

Use cases

To perform an action after products get deleted.

Origins

\Magento\CatalogImportExport\Model\Import\Product::_deleteProducts():

   protected function _deleteProducts()
   {
   ...
               $this->_eventManager->dispatch(
                  'catalog_product_import_bunch_delete_after',
                  ['adapter' => $this, 'bunch' => $bunch]
               );

adapter is an object of \Magento\CatalogImportExport\Model\Import\Product
bunch is a data array

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Product

catalog_product_import_bunch_delete_commit_before

Use cases

To perform an action before products get deleted.

Origins

\Magento\CatalogImportExport\Model\Import\Product::_deleteProducts():

   protected function _deleteProducts()
   {
   ...
                  $this->_eventManager->dispatch(
                     'catalog_product_import_bunch_delete_commit_before',
                     [
                           'adapter' => $this,
                           'bunch' => $bunch,
                           'ids_to_delete' => $idsToDelete,
                     ]
                  );

adapter is an object of \Magento\CatalogImportExport\Model\Import\Product
bunch is a data array
ids_to_delete is a product IDs array

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Product

catalog_product_import_bunch_save_after

Use cases

To perform an action after products get saved.

Origins

\Magento\CatalogImportExport\Model\Import\Product::_saveProducts():

   protected function _deleteProducts()
   {
   ...
         $this->_eventManager->dispatch(
               'catalog_product_import_bunch_save_after',
               ['adapter' => $this, 'bunch' => $bunch]
         );

adapter is an object of \Magento\CatalogImportExport\Model\Import\Product
bunch is a data array

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Product

catalog_product_import_finish_before

Use cases

To perform an action before a product import is finished.

Origins

\Magento\CatalogImportExport\Model\Import\Product::_importData():

   protected function _importData()
   {
   ...
      $this->_eventManager->dispatch('catalog_product_import_finish_before', ['adapter' => $this]);

adapter is an object of \Magento\CatalogImportExport\Model\Import\Product

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Product

catalog_product_is_salable_after

Use cases

To perform an action after it checks if a product is available for sale.

Origins

\Magento\Catalog\Model\Product::isSalable():

   public function isSalable()
   {
   ...
      $object = new \Magento\Framework\DataObject(['product' => $this, 'is_salable' => $salable]);
      $this->_eventManager->dispatch(
         'catalog_product_is_salable_after',
         ['product' => $this, 'salable' => $object]
      );

product is an object of \Magento\Catalog\Model\Product
salable is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Proxy\Product
\Magento\Catalog\Model\Product

catalog_product_is_salable_before

Use cases

To perform an action before it checks if a product is available for sale.

Origins

\Magento\Catalog\Model\Product::isSalable():

   public function isSalable()
   {
   ...
      $this->_eventManager->dispatch('catalog_product_is_salable_before', ['product' => $this]);

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\CatalogImportExport\Model\Import\Proxy\Product
\Magento\Catalog\Model\Product

catalog_product_new_action

Use cases

To perform an action after a new product is created.

Origins

\Magento\Catalog\Controller\Adminhtml\Product\NewAction::execute():

   public function execute()
   {
   ...
      $this->_eventManager->dispatch('catalog_product_new_action', ['product' => $product]);

product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Product\NewAction
\Magento\Bundle\Controller\Adminhtml\Bundle\Product\Edit\NewAction
\Magento\Downloadable\Controller\Adminhtml\Downloadable\Product\Edit\NewAction

catalog_product_option_price_configuration_after

Use cases

To modify JSON representation of product price options.

Origins

\Magento\Bundle\Block\Catalog\Product\View\Type\Bundle::getJsonConfig() and \Magento\Catalog\Block\Product\View\Options::getJsonConfig():

   public function getJsonConfig()
   {
   ...
      $configObj = new DataObject(
         [
               'config' => $config,
         ]
      );
      $this->_eventManager->dispatch('catalog_product_option_price_configuration_after', ['configObj' => $configObj]);

configObj is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Bundle\Block\Catalog\Product\View\Type\Bundle
\Magento\Catalog\Block\Adminhtml\Product\Composite\Fieldset\Options

catalog_product_prepare_index_select

Use cases

To alter temporary price index data for bundle products.

Origins

\Magento\Bundle\Model\ResourceModel\Indexer\Price::prepareBundlePriceByType():

   private function prepareBundlePriceByType($priceType, array $dimensions, $entityIds = null)
   {
   ...
      $this->eventManager->dispatch(
         'catalog_product_prepare_index_select',
         [
               'select' => $select,
               'entity_field' => new \Zend_Db_Expr('e.entity_id'),
               'website_field' => new \Zend_Db_Expr('pw.website_id'),
               'store_field' => new \Zend_Db_Expr('cwd.default_store_id')
         ]
      );

select is an object of \Magento\Framework\DB\Select
entity_field is a Zend_Db_Expr object
website_field is a Zend_Db_Expr object
store_field is a Zend_Db_Expr object

Classes raising the event

\Magento\Bundle\Model\ResourceModel\Indexer\Price

catalog_product_to_website_change

Use cases

To perform actions after product websites have been updated.

Origins

\Magento\Catalog\Model\Product\Action::updateWebsites():

   public function updateWebsites($productIds, $websiteIds, $type)
   {
   ...
      $this->_eventManager->dispatch('catalog_product_to_website_change', ['products' => $productIds]);

products is a product IDs array

Classes raising the event

\Magento\Catalog\Model\Product\Action

catalog_product_upsell

Use cases

To do modify a product’s upsell collection.

Origins

\Magento\Catalog\Block\Product\ProductList\Upsell::_prepareData():

   protected function _prepareData()
   {
   ...
      $this->_eventManager->dispatch(
         'catalog_product_upsell',
         ['product' => $product, 'collection' => $this->_itemCollection, 'limit' => null]
      );

product is an object of \Magento\Catalog\Model\Product
collection is an object of \Magento\Catalog\Model\ResourceModel\Product\Collection
limit - null

Classes raising the event

\Magento\Catalog\Block\Product\ProductList\Upsell

catalog_product_validate_variations_before

Use cases

To perform actions before a product variations attributes validation.

Origins

\Magento\ConfigurableProduct\Model\Product\Validator\Plugin::_validateProductVariations():

   protected function _validateProductVariations(Product $parentProduct, array $products, RequestInterface $request)
   {
   ...
      $this->eventManager->dispatch(
         'catalog_product_validate_variations_before',
         ['product' => $parentProduct, 'variations' => $products]
      );

product is an object of \Magento\Catalog\Model\Product
variations is an array

Classes raising the event

\Magento\ConfigurableProduct\Model\Product\Validator\Plugin

catalog_product_view_config

Use cases

To perform actions a JSON encoded product configuration.

Origins

\Magento\Catalog\Block\Product\View::getJsonConfig():

   public function getJsonConfig()
   {
   ...
   $responseObject = new \Magento\Framework\DataObject();
   $this->_eventManager->dispatch('catalog_product_view_config', ['response_object' => $responseObject]);

response_object is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\ProductAlert\Block\Product\View\Stock
\Magento\ProductAlert\Block\Product\View\Price

category_move

Use cases

To perform actions after a category has been moved.

Origins

\Magento\Catalog\Model\Category::move():

   public function move($parentId, $afterCategoryId)
   {
   ...
   $this->_eventManager->dispatch('category_move', $eventParams);

category_move is a data array

Classes raising the event

\Magento\Catalog\Model\Category

category_prepare_ajax_response

Use cases

To modify category ajax response object.

Origins

\Magento\Catalog\Controller\Adminhtml\Category::ajaxRequestResponse():

   protected function ajaxRequestResponse($category, $resultPage)
   {
   ...
      $this->_eventManager->dispatch(
         'category_prepare_ajax_response',
         ['response' => $eventResponse, 'controller' => $this]
      );

response is an object of \Magento\Framework\DataObject
controller is an object of \Magento\Catalog\Controller\Adminhtml\Category

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Category\Grid
\Magento\Catalog\Controller\Adminhtml\Category\RefreshPath

catelogsearch_searchable_attributes_load_after

Use cases

To modify a searchable attributes array.

Origins

\Magento\CatalogSearch\Model\Indexer\Fulltext\Action\DataProvider::getSearchableAttributes():

   public function getSearchableAttributes($backendType = null)
   {
   ...
      $this->eventManager->dispatch(
               'catelogsearch_searchable_attributes_load_after',
               ['engine' => $this->engine, 'attributes' => $attributes]
      );

engine is an object of \Magento\CatalogSearch\Model\ResourceModel\EngineInterface
attributes is an array of attributes

Classes raising the event

\Magento\CatalogSearch\Model\Indexer\Fulltext\Action\DataProvider

checkout_allow_guest

Use cases

To modify the allow guest checkout check (or do something if it is enabled).

Origins

\Magento\Checkout\Helper\Data::isAllowedGuestCheckout():

   public function isAllowedGuestCheckout(\Magento\Quote\Model\Quote $quote, $store = null)
   {
   ...
      $this->_eventManager->dispatch(
               'checkout_allow_guest',
               ['quote' => $quote, 'store' => $store, 'result' => $result]
      );

quote is an object of \Magento\Quote\Model\Quote
store is an integer or an object of \Magento\Store\Model\Store
result is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Checkout\Helper\Data

checkout_cart_add_product_complete

Use cases

To perform actions after a product has been added to the cart.

Origins

\Magento\Checkout\Controller\Cart\Add::execute():

   public function execute()
   {
   ...
         $this->_eventManager->dispatch(
               'checkout_cart_add_product_complete',
               ['product' => $product, 'request' => $this->getRequest(), 'response' => $this->getResponse()]
         );

product is an object of \Magento\Catalog\Model\Product
request is an object of \Magento\Framework\App\RequestInterface
response is an object of \Magento\Framework\App\ResponseInterface

Classes raising the event

\Magento\Checkout\Controller\Cart\Add

checkout_cart_product_add_before

Use cases

To perform actions before a product has been added to the cart.

Origins

\Magento\Checkout\Model\Cart::addProduct():

   public function addProduct($productInfo, $requestInfo = null)
   {
   ...
               $this->_eventManager->dispatch(
                  'checkout_cart_product_add_before',
                  ['info' => $requestInfo, 'product' => $product]
               );

info is an integer or an array or an object of \Magento\Framework\DataObject
product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_product_update_after

Use cases

To perform actions after a cart item has been updated.

Origins

\Magento\Checkout\Model\Cart::updateItem():

   public function updateItem($itemId, $requestInfo = null, $updatingParams = null)
   {
   ...
      $this->_eventManager->dispatch(
         'checkout_cart_product_update_after',
         ['quote_item' => $result, 'product' => $product]
      );

quote_item is an object of \Magento\Quote\Model\Quote\Item
product is an object of \Magento\Catalog\Model\Product

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_save_after

Use cases

To perform actions after a cart has been saved.

Origins

\Magento\Checkout\Model\Cart::save():

   public function save()
   {
   ...
      $this->_eventManager->dispatch('checkout_cart_save_after', ['cart' => $this]);

cart is an object of \Magento\Checkout\Model\Cart

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_save_before

Use cases

To perform actions before a cart is updated.

Origins

\Magento\Checkout\Model\Cart::save():

   public function save()
   {
   ...
      $this->_eventManager->dispatch('checkout_cart_save_before', ['cart' => $this]);

cart is an object of \Magento\Checkout\Model\Cart

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_update_items_after

Use cases

To perform actions after cart items have been updated.

Origins

\Magento\Checkout\Model\Cart::updateItems():

   public function updateItems($data)
   {
   ...
      $this->_eventManager->dispatch(
         'checkout_cart_update_items_after',
         ['cart' => $this, 'info' => $infoDataObject]
      );

cart is an object of \Magento\Checkout\Model\Cart
info is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_update_items_before

Use cases

To perform actions before cart items are updated.

Origins

\Magento\Checkout\Model\Cart::updateItems():

   public function updateItems($data)
   {
   ...
      $this->_eventManager->dispatch(
         'checkout_cart_update_items_before',
         ['cart' => $this, 'info' => $infoDataObject]
      );

cart is an object of \Magento\Checkout\Model\Cart
info is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Checkout\Model\Cart

checkout_cart_update_item_complete

Use cases

To perform actions once a cart item update is complete.

Origins

\Magento\Checkout\Controller\Cart\UpdateItemOptions::execute():

   public function execute()
   {
   ...
   $this->_eventManager->dispatch(
               'checkout_cart_update_item_complete',
               ['item' => $item, 'request' => $this->getRequest(), 'response' => $this->getResponse()]
   );

item is an object of \Magento\Quote\Model\Quote\Item
request is an object of \Magento\Framework\App\RequestInterface
response is an object of \Magento\Framework\App\ResponseInterface

Classes raising the event

\Magento\Checkout\Controller\Cart\UpdateItemOptions

checkout_controller_multishipping_shipping_post

Use cases

To perform actions before a multishipping shipping method is set.

Origins

\Magento\Multishipping\Controller\Checkout\ShippingPost::execute():

   public function execute()
   {
   ...
         $this->_eventManager->dispatch(
               'checkout_controller_multishipping_shipping_post',
               ['request' => $this->getRequest(), 'quote' => $this->_getCheckout()->getQuote()]
         );

request is an object of \Magento\Framework\App\RequestInterface
quote is an object of \Magento\Quote\Model\Quote

Classes raising the event

\Magento\Multishipping\Controller\Checkout\ShippingPost

checkout_controller_onepage_saveOrder

Use cases

To perform actions after an attempt to place an order has been made (successful or not).

Origins

\Magento\Checkout\Controller\Onepage\SaveOrder::execute():

   public function execute()
   {
   ...
      $this->_eventManager->dispatch(
         'checkout_controller_onepage_saveOrder',
         [
               'result' => $result,
               'action' => $this
         ]
      );

result is an object of \Magento\Framework\DataObject
action is an object of \Magento\Checkout\Controller\Onepage\SaveOrder

Classes raising the event

\Magento\Checkout\Controller\Onepage\SaveOrder

checkout_multishipping_refund_all

Use cases

To do catch a moment when multishipping orders failed to be placed.

Origins

\Magento\Multishipping\Model\Checkout\Type\Multishipping::createOrders():

   public function execute()
   {
   ...
      } catch (\Exception $e) {
         $this->_eventManager->dispatch('checkout_multishipping_refund_all', ['orders' => $orders]);
         throw $e;
      }

orders is an array of orders

Classes raising the event

\Magento\Multishipping\Model\Checkout\Type\Multishipping

checkout_onepage_controller_success_action

Use cases

To perform actions when an one page checkout success page is rendered.

Origins

\Magento\Checkout\Controller\Onepage\Success::execute():

   public function execute()
   {
   ...
      $this->_eventManager->dispatch(
         'checkout_onepage_controller_success_action',
         [
               'order_ids' => [$session->getLastOrderId()],
               'order' => $session->getLastRealOrder()
         ]
      );

order_ids is an array of last order ID(s)
order is an object of \Magento\Sales\Model\Order

Classes raising the event

\Magento\Checkout\Controller\Onepage\Success

checkout_quote_destroy

Use cases

To perform actions when a session quote is cleared.

Origins

\Magento\Checkout\Model\Session::clearQuote():

   public function clearQuote()
   {
   ...
      $this->_eventManager->dispatch('checkout_quote_destroy', ['quote' => $this->getQuote()]);

quote is an object of \Magento\Quote\Model\Quote

Classes raising the event

\Magento\Checkout\Model\Session

checkout_quote_init

Use cases

To perform actions when a session quote is initialized.

Origins

\Magento\Checkout\Model\Session::getQuote():

   public function getQuote()
   {
   ...
   $this->_eventManager->dispatch('checkout_quote_init', ['quote' => $quote]);

quote is an object of \Magento\Quote\Model\Quote

Classes raising the event

\Magento\Checkout\Model\Session

checkout_submit_all_after

Use cases

To perform actions after an order was placed.

Origins

\Magento\Checkout\Model\Type\Onepage::saveOrder():

 public function saveOrder()
 {
 ...
     $this->_eventManager->dispatch(
         'checkout_submit_all_after',
         [
             'order' => $order,
             'quote' => $this->getQuote()
         ]
     );

\Magento\Sales\Model\AdminOrder\Create::createOrder():

public function createOrder()
{
...
$this->_eventManager->dispatch('checkout_submit_all_after', ['order' => $order, 'quote' => $quote]);

\Magento\Multishipping\Model\Checkout\Type\Multishipping::createOrders():

public function createOrders()
{
...
         $this->_eventManager->dispatch(
             'checkout_submit_all_after',
             ['orders' => $orders, 'quote' => $this->getQuote()]
         );

\Magento\Quote\Model\QuoteManagement::placeOrder():

public function placeOrder($cartId, PaymentInterface $paymentMethod = null)
{
...
$this->eventManager->dispatch('checkout_submit_all_after', ['order' => $order, 'quote' => $quote]);

quote is an object of \Magento\Quote\Model\Quote
order is an object of \Magento\Sales\Api\Data\OrderInterface

Classes raising the event

\Magento\Quote\Model\QuoteManagement
\Magento\Multishipping\Model\Checkout\Type\Multishipping
\Magento\Sales\Model\AdminOrder\Create
\Magento\Checkout\Model\Type\Onepage

checkout_submit_before

Use cases

To perform actions when before a quote is submitted.

Origins

\Magento\Quote\Model\QuoteManagement::placeOrder():

   public function placeOrder($cartId, PaymentInterface $paymentMethod = null)
   {
   ...
   $this->eventManager->dispatch('checkout_submit_before', ['quote' => $quote]);

quote is an object of \Magento\Quote\Model\Quote

Classes raising the event

\Magento\Quote\Model\QuoteManagement

checkout_type_multishipping_create_orders_single

Use cases

To perform actions after a single order is placed within a multishipping checkout.

Origins

\Magento\Multishipping\Model\Checkout\Type\Multishipping::createOrders():

   public function createOrders()
   {
   ...
               $this->_eventManager->dispatch(
                  'checkout_type_multishipping_create_orders_single',
                  ['order' => $order, 'address' => $address, 'quote' => $this->getQuote()]
               );

quote is an object of \Magento\Quote\Model\Quote
order is an object of \Magento\Sales\Model\Order
address is an object of \Magento\Quote\Model\Quote\Address

Classes raising the event

\Magento\Multishipping\Model\Checkout\Type\Multishipping

checkout_type_multishipping_set_shipping_items

Use cases

To perform actions after shipping information is set within a multishipping checkout.

Origins

\Magento\Multishipping\Model\Checkout\Type\Multishipping::setShippingItemsInformation():

   public function setShippingItemsInformation($info)
   {
   ...
         $this->_eventManager->dispatch('checkout_type_multishipping_set_shipping_items', ['quote' => $quote]);

quote is an object of \Magento\Quote\Model\Quote

Classes raising the event

\Magento\Multishipping\Model\Checkout\Type\Multishipping

checkout_type_onepage_save_order_after

Use cases

To perform actions after an order is saved within a onepage checkout.

Origins

\Magento\Checkout\Model\Type\Onepage::saveOrder():

   public function saveOrder()
   {
   ...
         $this->_eventManager->dispatch(
               'checkout_type_onepage_save_order_after',
               ['order' => $order, 'quote' => $this->getQuote()]
         );

quote is an object of \Magento\Quote\Model\Quote
order is an object of \Magento\Sales\Model\Order

Classes raising the event

\Magento\Checkout\Model\Type\Onepage

clean_cache_after_reindex

Use cases

To perform actions before indexed item cache entries are cleared.

Origins

\Magento\Indexer\Model\Processor\CleanCache::afterUpdateMview():

   public function afterUpdateMview(\Magento\Indexer\Model\Processor $subject)
   {
      $this->eventManager->dispatch('clean_cache_after_reindex', ['object' => $this->context]);
   ...

object is an object of \Magento\Framework\Indexer\CacheContext

Classes raising the event

\Magento\Indexer\Model\Processor\CleanCache

clean_cache_by_tags

Use cases

To perform actions at the time specific tags are cleaned from cache.

Origins

\Magento\Framework\Model\AbstractModel::afterSave():

public function afterSave()
{
...
$this->_eventManager->dispatch('clean_cache_by_tags', ['object' => $this]);

\Magento\Framework\Model\AbstractModel::afterDelete():

public function afterSave()
{
...
$this->_eventManager->dispatch('clean_cache_by_tags', ['object' => $this]);

\Magento\CatalogInventory\Model\Indexer\Stock\CacheCleaner::clean():

public function clean(array $productIds, callable $reindex)
{
...
$this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);

\Magento\Catalog\Plugin\Model\Product\Action\UpdateAttributesFlushCache::afterUpdateAttributes():

public function afterUpdateAttributes(
     \Magento\Catalog\Model\Product\Action $subject,
     \Magento\Catalog\Model\Product\Action $result
 ) {
     $this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);
     return $result;
}

\Magento\Catalog\Plugin\Model\Product\Action\UpdateAttributesFlushCache::afterUpdateWebsites():

public function afterUpdateWebsites(
     \Magento\Catalog\Model\Product\Action $subject
 ) {
     $this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);
}

\Magento\Catalog\Model\Category::move():

public function move($parentId, $afterCategoryId)
{
...
$this->_eventManager->dispatch('clean_cache_by_tags', ['object' => $this]);

\Magento\Catalog\Model\Indexer\Product\Category\Action\Rows::execute():

public function execute(array $entityIds = [], $useTempTable = false)
{
...
$this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);

\Magento\Catalog\Model\Indexer\Category\Product\Action\Rows::execute():

public function execute(array $entityIds = [], $useTempTable = false)
{
...
$this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);

\Magento\InventoryCache\Model\FlushCacheByProductIds::execute():

public function execute(array $productIds)
{
...
$this->eventManager->dispatch('clean_cache_by_tags', ['object' => $cacheContext]);

\Magento\CatalogRule\Model\Indexer\AbstractIndexer::executeFull():

public function executeFull()
{
$this->indexBuilder->reindexFull();
$this->_eventManager->dispatch('clean_cache_by_tags', ['object' => $this]);

\Magento\Indexer\Model\Indexer\CacheCleaner::cleanCache():

private function cleanCache()
{
     $this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->cacheContext]);

\Magento\Indexer\Model\Processor\CleanCache::afterReindexAllInvalid():

public function afterReindexAllInvalid(\Magento\Indexer\Model\Processor $subject)
{
$this->eventManager->dispatch('clean_cache_by_tags', ['object' => $this->context]);

object is an object of \Magento\Framework\Indexer\CacheContext.

Classes raising the event

\Magento\Indexer\Model\Processor\CleanCache
\Magento\Weee\Model\Tax
\Magento\Reports\Model\Event

clean_catalog_images_cache_after

Use cases

To perform actions after image cache has been cleared.

Origins

\Magento\Backend\Controller\Adminhtml\Cache\CleanImages::execute():

   public function execute()
   {
   ....
   $this->_eventManager->dispatch('clean_catalog_images_cache_after');

Classes raising the event

\Magento\Backend\Controller\Adminhtml\Cache\CleanImages

clean_media_cache_after

Use cases

To perform actions after JavaScript/CSS cache has been cleared.

Origins

\Magento\Backend\Controller\Adminhtml\Cache\CleanMedia::execute():

   public function execute()
   {
   ....
   $this->_eventManager->dispatch('clean_media_cache_after');

Classes raising the event

\Magento\Backend\Controller\Adminhtml\Cache\CleanMedia

clean_static_files_cache_after

Use cases

To perform actions after static files cache has been cleared.

Origins

\Magento\Backend\Controller\Adminhtml\Cache\CleanStaticFiles::execute():

   public function execute()
   {
   ....
   $this->_eventManager->dispatch('clean_static_files_cache_after');

Classes raising the event

\Magento\Backend\Controller\Adminhtml\Cache\CleanStaticFiles

cms_controller_router_match_before

Use cases

To perform actions before a CMS page is matched.

Origins

\Magento\Cms\Controller\Router::match():

   public function match(\Magento\Framework\App\RequestInterface $request)
   {
   ....
   $this->_eventManager->dispatch(
         'cms_controller_router_match_before',
         ['router' => $this, 'condition' => $condition]
   );

router is an object of \Magento\Cms\Controller\Router
condition is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Cms\Controller\Router

cms_page_prepare_save

Use cases

To perform actions before a cms page is saved.

Origins

\Magento\Cms\Controller\Adminhtml\Page\Save::execute():

   public function execute()
   {
   ....
   $this->_eventManager->dispatch(
                  'cms_page_prepare_save',
                  ['page' => $model, 'request' => $this->getRequest()]
   );

page is an object of \Magento\Cms\Model\Page
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Cms\Controller\Adminhtml\Page\Save

cms_page_render

Use cases

To perform actions before a cms page is rendered.

Origins

\Magento\Cms\Helper\Page::prepareResultPage():

   public function prepareResultPage(ActionInterface $action, $pageId = null)
   {
   ....
      $this->_eventManager->dispatch(
         'cms_page_render',
         ['page' => $this->_page, 'controller_action' => $action, 'request' => $this->_getRequest()]
      );

page is an object of \Magento\Cms\Model\Page
request is an object of \Magento\Framework\App\RequestInterface
controller_action is an object of \Magento\Framework\App\ActionInterface

Classes raising the event

\Magento\Cms\Helper\Page

cms_wysiwyg_images_static_urls_allowed

Use cases

To do change whether using static URLs is allowed or not.

Origins

\Magento\Cms\Helper\Wysiwyg\Images::isUsingStaticUrlsAllowed():

 public function isUsingStaticUrlsAllowed()
 {
 ....
     $this->_eventManager->dispatch(
         'cms_wysiwyg_images_static_urls_allowed',
         ['result' => $checkResult, 'store_id' => $this->_storeId]
     );

result is a PHP object variable
store_id is a store ID

Classes raising the event

\Magento\Cms\Helper\Wysiwyg\Images

controller_action_catalog_product_save_entity_after

Use cases

To perform actions after a product has been saved in backend.

Origins

\Magento\Catalog\Controller\Adminhtml\Product\Save::execute():

public function execute()
{
....
$this->_eventManager->dispatch(
   'controller_action_catalog_product_save_entity_after',
      ['controller' => $this, 'product' => $product]
);

product is an object of \Magento\Catalog\Model\Product
controller is an object of \Magento\Catalog\Controller\Adminhtml\Product\Save

Classes raising the event

\Magento\Catalog\Controller\Adminhtml\Product\Save
\Magento\Bundle\Controller\Adminhtml\Bundle\Product\Edit\Save
\Magento\Downloadable\Controller\Adminhtml\Downloadable\Product\Edit\Save

controller_action_inventory_populate_source_with_data

Use cases

Modify inventory source before it gets saved.

Origins

\Magento\InventoryAdminUi\Controller\Adminhtml\Source\Save::processSave():

private function processSave(SourceInterface $source, array $requestData)
{
....
      $this->_eventManager->dispatch(
         'controller_action_inventory_populate_source_with_data',
         [
               'request' => $this->getRequest(),
               'source' => $source,
         ]
      );

request is an object of \Magento\Framework\App\RequestInterface
source is an object of \Magento\InventoryApi\Api\Data\SourceInterface

Classes raising the event

\Magento\InventoryAdminUi\Controller\Adminhtml\Source\Save

controller_action_inventory_populate_stock_with_data

Use cases

Modify inventory stock model before it gets saved.

Origins

\Magento\InventoryAdminUi\Model\Stock\StockSaveProcessor::process():

public function process($stockId, RequestInterface $request): int
{
....
      $this->eventManager->dispatch(
         'controller_action_inventory_populate_stock_with_data',
         [
               'request' => $request,
               'stock' => $stock,
         ]
      );

request is an object of \Magento\Framework\App\RequestInterface
stock is an object of \Magento\InventoryApi\Api\Data\StockInterface

Classes raising the event

\Magento\InventoryAdminUi\Model\Stock\StockSaveProcessor

controller_action_inventory_source_save_after

Use cases

Modify inventory source after it gets saved.

Origins

\Magento\InventoryAdminUi\Controller\Adminhtml\Source\Save::processSave():

private function processSave(SourceInterface $source, array $requestData)
{
....
      $this->_eventManager->dispatch(
         'controller_action_inventory_source_save_after',
         [
               'request' => $this->getRequest(),
               'source' => $source,
         ]
      );

request is an object of \Magento\Framework\App\RequestInterface
source is an object of \Magento\InventoryApi\Api\Data\SourceInterface

Classes raising the event

\Magento\InventoryAdminUi\Controller\Adminhtml\Source\Save

controller_action_layout_render_before

Use cases

To perform actions before page layout is rendered.

Origins

\Magento\Framework\App\View::renderLayout():

public function renderLayout($output = '')
{
....
$this->_eventManager->dispatch('controller_action_layout_render_before');

Classes raising the event

\Magento\Framework\App\View

controller_action_nocookies

Use cases

To perform actions before a nocookies page is rendered.

Origins

\Magento\Cookie\Controller\Index\NoCookies::execute():

public function execute()
{
....
$this->_eventManager->dispatch(
         'controller_action_nocookies',
         ['action' => $this, 'redirect' => $redirect]
);

action is an object of \Magento\Cookie\Controller\Index\NoCookies
redirect is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Cookie\Controller\Index\NoCookies

controller_action_noroute

Use cases

To perform actions before a 404 page is rendered.

Origins

\Magento\Framework\Controller\Noroute\Index::execute():

public function execute()
{
....
$this->_eventManager->dispatch('controller_action_noroute',
      ['action' => $this, 'status' => $status]);

action is an object of \Magento\Cookie\Controller\Index\NoCookies
status is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Framework\Controller\Noroute\Index

controller_action_postdispatch

Use cases

To perform actions when postdispatch events are raised.

Origins

\Magento\Framework\App\Action\Plugin\EventDispatchPlugin::dispatchPostDispatchEvents():

private function dispatchPostDispatchEvents(ActionInterface $action)
{
....
$this->eventManager->dispatch('controller_action_postdispatch', $this->getEventParameters($action));

controller_action is an object of \Magento\Framework\App\ActionInterface
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Framework\App\Action\Plugin\EventDispatchPlugin

controller_action_predispatch

Use cases

To perform actions when predispatch events are raised.

Origins

\Magento\Framework\App\Action\Plugin\EventDispatchPlugin::dispatchPreDispatchEvents():

private function dispatchPreDispatchEvents(ActionInterface $action)
{
$this->eventManager->dispatch('controller_action_predispatch', $this->getEventParameters($action));
...

controller_action is an object of \Magento\Framework\App\ActionInterface
request is an object of \Magento\Framework\App\RequestInterface

Classes raising the event

\Magento\Framework\App\Action\Plugin\EventDispatchPlugin

controller_front_send_response_before

Use cases

To perform actions before sending application output.

Origins

\Magento\Framework\App\Http::launch():

public function launch()
{
...
$eventParams = ['request' => $this->_request, 'response' => $this->_response];
$this->_eventManager->dispatch('controller_front_send_response_before', $eventParams);
...

response is an object of \Magento\Framework\App\Response\Http
request is an object of \Magento\Framework\App\Request\Http

Classes raising the event

\Magento\Framework\App\Http

core_app_init_current_store_after

Use cases

To perform actions after the current store is initialized in test cases.

Origins

\Magento\TestFramework\Store\StoreManager::dispatchInitCurrentStoreAfterEvent():

protected function dispatchInitCurrentStoreAfterEvent()
{
...
$this->eventManager->dispatch('core_app_init_current_store_after');

Classes raising the event

\Magento\TestFramework\Store\StoreManager

core_collection_abstract_load_after

Use cases

To perform actions after a collection is loaded.

Origins

\Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection::_afterLoad():

protected function _afterLoad()
{
...
$this->_eventManager->dispatch('core_collection_abstract_load_after', ['collection' => $this]);

collection is an object of \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection

Classes raising the event

\Magento\Security\Model\ResourceModel\AdminSessionInfo\Collection
\Magento\Store\Model\ResourceModel\Config\Collection\Scoped

core_collection_abstract_load_before

Use cases

To perform actions before a collection is loaded.

Origins

\Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection::_beforeLoad():

protected function _beforeLoad()
{
...
$this->_eventManager->dispatch('core_collection_abstract_load_before', ['collection' => $this]);

collection is an object of \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection

Classes raising the event

\Magento\Security\Model\ResourceModel\AdminSessionInfo\Collection
\Magento\Store\Model\ResourceModel\Config\Collection\Scoped

core_layout_block_create_after

Use cases

To perform actions after a particular block is created.

Origins

\Magento\Framework\View\Layout\Generator\Block::process():

public function process(Layout\Reader\Context $readerContext, Layout\Generator\Context $generatorContext)
{
...
$this->eventManager->dispatch('core_layout_block_create_after', ['block' => $block]);

block is an object of \Magento\Framework\View\Element\AbstractBlock

Classes raising the event

\Magento\Framework\View\Layout\Generator\Block

core_layout_render_element

Use cases

To perform actions when a layout element is rendered.

Origins

\Magento\Framework\View\Layout::renderElement():

public function renderElement($name, $useCache = true)
{
...
$this->_eventManager->dispatch(
         'core_layout_render_element',
         ['element_name' => $name, 'layout' => $this, 'transport' => $this->_renderingOutput]
      );

element_name is an element name string
layout is an object of \Magento\Framework\View\Layout
transport is an object of \Magento\Framework\DataObject

Classes raising the event

\Magento\Framework\View\Layout

cron_job_run

Use cases

To perform actions before a particular cron job is run.

Origins

\Magento\Cron\Observer\ProcessCronQueueObserver::_runJob():

protected function _runJob($scheduledTime, $currentTime, $jobConfig, $schedule, $groupId)
{
...
$this->eventManager->dispatch('cron_job_run', ['job_name' => 'cron/' . $groupId . '/' . $jobCode]);

job_name is a job name string.

Classes raising the event

\Magento\Cron\Observer\ProcessCronQueueObserver

currency_display_options_forming

Use cases

To perform actions after getting getting a currency object by currency code.

Origins

\Magento\Framework\Locale\Currency::getCurrency():

public function getCurrency($currency)
{
...
$this->_eventManager->dispatch(
               'currency_display_options_forming',
               ['currency_options' => $options, 'base_code' => $currency]
);

currency_options is an array of currency options
base_code is a currency code string

Classes raising the event

\Magento\Framework\Locale\Currency

customer_account_edited

Use cases

To perform actions after a customer has been successfully edited.

Origins

\Magento\Customer\Controller\Account\EditPost::dispatchSuccessEvent():

private function dispatchSuccessEvent(\Magento\Customer\Api\Data\CustomerInterface $customerCandidateDataObject)
{
      $this->_eventManager->dispatch(
         'customer_account_edited',
         ['email' => $customerCandidateDataObject->getEmail()]
      );
}

email is a customer email

Classes raising the event

\Magento\Customer\Controller\Account\EditPost

customer_address_format

Use cases

To alter the way an address is formatted.

Origins

\Magento\Sales\Model\Order\Address\Renderer::format():

public function format(Address $address, $type)
{
...
     $this->eventManager->dispatch('customer_address_format', ['type' => $formatType, 'address' => $address]);
}

\Magento\Customer\Model\Address\AbstractAddress::format():

public function format(Address $address, $type)
{
...
     $this->eventManager->dispatch('customer_address_format', ['type' => $formatType, 'address' => $this]);
}

type is an object of \Magento\Framework\DataObject
address is an object of either \Magento\Customer\Model\Address\AbstractAddress or \Magento\Sales\Model\Order\Address

Classes raising the event

\Magento\Sales\Model\Order\Address\Renderer
\Magento\Customer\Model\Address\AbstractAddress
\Magento\Customer\Model\Address

customer_customer_authenticated

Use cases

To perform actions after a customer has been authenticated.

Origins

\Magento\Customer\Model\Customer::authenticate():

public function authenticate($login, $password)
{
 ....
     $this->_eventManager->dispatch(
         'customer_customer_authenticated',
         ['model' => $this, 'password' => $password]
     );
}

\Magento\Customer\Model\AccountManagement::authenticate():

public function authenticate($username, $password)
{
 ....
     $this->eventManager->dispatch(
         'customer_customer_authenticated',
         ['model' => $customerModel, 'password' => $password]
     );
}

model is an object of \Magento\Customer\Model\Customer
password is a password string

Classes raising the event

\Magento\Customer\Model\Customer
\Magento\Customer\Model\AccountManagement
\Magento\Customer\Model\Backend\Customer

customer_data_object_login

Use cases

To perform actions after a customer has been logged in.

Origins

\Magento\Customer\Model\Session::setCustomerAsLoggedIn():

public function setCustomerAsLoggedIn($customer)
{
 ....
  $this->_eventManager->dispatch('customer_data_object_login', ['customer' => $this->getCustomerDataObject()]);
}

\Magento\Customer\Model\Session::setCustomerDataAsLoggedIn():

public function setCustomerDataAsLoggedIn($customer)
{
 ....
  $this->_eventManager->dispatch('customer_data_object_login', ['customer' => $customer]);
}

\Magento\Customer\Model\AccountManagement::authenticate():

public function authenticate($username, $password)
{
 ....
  $this->eventManager->dispatch('customer_data_object_login', ['customer' => $customer]);
}

customer is an object of \Magento\Customer\Api\Data\CustomerInterface

Classes raising the event

\Magento\Customer\Model\Session
\Magento\Customer\Model\AccountManagement

customer_login

Use cases

To perform actions after a customer has been logged in.

Origins

\Magento\Customer\Model\Session::setCustomerAsLoggedIn():

public function setCustomerAsLoggedIn($customer)
{
 ....
  $this->_eventManager->dispatch('customer_login', ['customer' => $customer]);
}

\Magento\Customer\Model\Session::setCustomerDataAsLoggedIn():

public function setCustomerDataAsLoggedIn($customer)
{
 ....
  $this->_eventManager->dispatch('customer_login', ['customer' => $customerModel]);
}

\Magento\Integration\Model\CustomerTokenService::createCustomerAccessToken():

  public function createCustomerAccessToken($username, $password)
  {
  ...
  $this->eventManager->dispatch('customer_login', ['customer' => $customerDataObject]);

customer is an object of either \Magento\Customer\Api\Data\CustomerInterface or \Magento\Customer\Model\Customer

Classes raising the event

\Magento\Customer\Model\Session
\Magento\Integration\Model\CustomerTokenService

customer_logout

Use cases

To perform actions before a customer is logged out.

Origins

\Magento\Customer\Model\Session::logout():

public function logout()
{
....
$this->_eventManager->dispatch('customer_logout', ['customer' => $this->getCustomer()]);
}

customer is an object of \Magento\Customer\Model\Customer

Classes raising the event

\Magento\Customer\Model\Session