Dispatch Event from Class

HTML

<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>

JavaScript

var myClass = {
	trigger: function () {
  	$(this).trigger("MyEvent", [123]);
  }
}

$(myClass).on("MyEvent", function(event, param1) {
		console.log(param1);
	});
  
myClass.trigger();