How can get this.super() from init function of parent?

Hi all, i conpluse about how i can get function init form parent when i cal this.super() in child. I dont know how can child undertand his parent call function.

UpdateMusic = can.Control.extend({

	  init: function(element,option){ = new can.Map({});	

createMusic = UpdateMusic.extend({

	   init : function(){

		  { call init from parent}



I think my response to your other thread answers this question.