docs: function (messageEvent) {
  		var messageObject = JSON.parse(messageEvent.data || '{}');
  		if ((messageObject || {})
  			.action && messageObject.action === MESSENGER_CONST.ACTION.CONNECT) {
  			appWindow = messageEvent.source;
  			appOrigin = messageEvent.origin;
  			connectionRequestID = messageObject.id;
  			status.initialized = true;
  			if (status.enabled) {
  				connect();
  			}
  		}
  	}