addListener #

Adds a listener function to the end of the listeners array for an event.
Whenever an event is triggered, listener functions are called in the order they were registered.

Arguments #

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addListener (eventName, callback);

Argument	Type	Description
eventName	string	The name of the event
callback	function	Function to call every time the event is triggered

Return #

The KuzzleEventEmitter instance.

Usage #

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const eventEmitter = new KuzzleEventEmitter();
eventEmitter.addListener('myEvent', () => console.log('Caught event "myEvent"!'));
// Prints: Caught event "myEvent"!
eventEmitter.emit('myEvent');