gistfile1.js

let MyCar = Ember.Object.extend(Ember.Evented, {
	turnLightsOn: function() {
		this.set('lightsOn', true);
	}.on('engineStart'),
	
	turnLigthsOff: function() {
		this.set('lightsOn', false);
	}.on('engineStop'),
	
	
	start: function() {
		// do stuff
		this.trigger('engineStart');
	},
	
	stop: function() {
		// do stuff
		this.trigger('engineStop');
	}
})