getContainer()

addListenerService(string $eventName, array $callback, int $priority) Adds a service as event listener

offsetSet(string $key, mixed $value) ArrayAccess for argument setter.

removeSubscriber(

addSubscriberService(string $serviceId, string $class) Adds a service as event subscriber.

addSubscriber(

int|null getListenerPriority(string $eventName, callable $listener) Gets the listener priority

Interfaces

bool hasListeners(string $eventName = null) Checks whether an event has any registered listeners

stopPropagation() Stops the propagation of the event to further event listeners. If multiple