https://symfony.com/doc/6.0/create_framework/event_dispatcher.html
The EventDispatcher Component (Symfony 6.0 Docs)
The EventDispatcher Component: Our framework is still missing a major characteristic of any good framework: extensibility. Being extensible means that the...
symfony 6eventdispatchercomponent0docs
https://packagist.org/packages/marcj/propel-eventdispatcher-bundle
marcj/propel-eventdispatcher-bundle - Packagist.org
Integrates the Propel EventDispatcherBehavior into Symfony2.
propeleventdispatcherbundlepackagist
https://symfony.com/doc/current/components/event_dispatcher.html
The EventDispatcher Component (Symfony Docs)
The EventDispatcher component provides tools that allow your application components to communicate with each other by dispatching events and listening to them....
eventdispatchercomponentsymfonydocs