code: function(that) {
  			var mNotifiers = that.getNotifiers();
  
  			for (var i = 0; i < mNotifiers.length; i++) {
  				var oNotifier = mNotifiers[i];
  
  				oNotifier._oCallout.close();
  			}
  
  			if (that.getMessageNotifier()) {
  				that.getMessageNotifier()._oCallout.close();
  			}
  		}
docs: Forces a close of all Callouts of all notifiers of the NotificationBar.