How to define an Event in Drupal 8 – 9, What is Dispatcher and Subscriber in Drupal 8 – 9?
Event Subscribers – are callable methods or functions that react to an event using Event Registry. Event Registry – This is the place where event subscribers. And collected and sorted. Event Dispatcher – The mechanism in which an event is triggered/fired, or “dispatched”, throughout the system. Event Context – Many events require specific set of … Read more