![]() The observer xml element has the following properties: Observers can be configured to watch certain events in the events.xml file. eventManager = $eventManager } public function something () ![]() The following example shows you how to dispatch an event with and without an array of data. To dispatch an event, call the dispatch function of the event manager class and provide it with the name of the event you want to dispatch along with an array of data you wish to provide to observers. This class can be obtained through dependency injection by defining the dependency in your constructor. Dispatching eventsĮvents can be dispatched using the Magento\Framework\Event\ManagerInterface class. When an event is dispatched, it can pass data to any observers configured to watch that event. In addition to its own events, Magento allows you to create your own events that can be dispatched in your code. EventsĮvents are dispatched by modules when certain actions are triggered. Using events and observers, you can run your custom code in response to a specific Magento event or even a custom event. The events and observers implementation in Magento 2 is based on the publish-subscribe pattern. Working with events and observers is one of the main ways to extend Magento functionality. Handling outdated in-memory object states.Asynchronous Message Queue configuration files.Migrate install/upgrade scripts to declarative schema. ![]() ![]()
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