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How are events dispatched and watched in Magento?
Events are dispatched by modules when certain actions are triggered. In addition to its own events, Magento allows you to create your own events that can be dispatched in your code. When an event is dispatched, it can pass data to any observers configured to watch that event.
How to create custom events in Magento framework?
Events 1 Dispatching events. Events can be dispatched using the Magento\\Framework\\Event\\ManagerInterface class. 2 Creating new events. Custom events can be dispatched by simply passing in a unique event name to the event manager when you call the dispatch function. 3 Event areas.
When do I execute an observer in Magento?
Observers are a certain type of Magento class that can influence general behavior, performance, or change business logic. Observers are executed whenever the event they are configured to watch is dispatched by the event manager.
How are custom events dispatched in event manager?
Custom events can be dispatched by simply passing in a unique event name to the event manager when you call the dispatch function. Your unique event name is referenced in your module’s events.xml file where you specify which observers will react to that event.
How to dispatch an event in event manager?
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. The following example shows you how to dispatch an event with and without an array of data.
Which is the current version of Magento 2.3?
This ongoing updated post, lists all dispatched events in Magento 2.3. An event cheat sheet. Current version: 2.3.3 / 8th Oct 2019 For Magento 2.0 see here. For Magento 2.1 see here. For Magento 2.2 see here. This page lists three different groups of events occurring in: app and lib folders and global Varien JavaScript Events.