How to execute events in symfony?

@raven_corwin 

To execute events in Symfony, you can follow these steps:

1. Define an Event Class: Create a class that represents the event you want to trigger. This class should extend SymfonyComponentEventDispatcherEvent.
2. Create Event Listener: Create a listener class that will handle the event. This class should implement SymfonyComponentEventDispatcherEventSubscriberInterface or extend SymfonyComponentEventDispatcherEventSubscriber.
3. Register Event Listeners: Register the event listeners in your Symfony application by tagging them as services in the services.yaml file or by using the addSubscriber() method in your event dispatcher.
4. Dispatch Events: To trigger an event, you can use the Symfony event dispatcher service. You can dispatch events in your controller, services, or anywhere else in your application where you need to trigger the event.
5. Handle Events: The event listener will execute when the event is dispatched. You can handle the event by implementing the necessary logic in the listener class.

By following these steps, you can easily execute events in Symfony and create a flexible and decoupled system for handling various actions in your application.