how to handle onNotification event in ngCordova push plugin

as a code template doing it like this,

.controller('PushNotificationsCtrl', function ($scope, $cordovaPush) {
var androidConfig = {
"senderID":"372433177444",
"ecb":"onNotification"
};

$cordovaPush.register(androidConfig).then(function(result) {
  // Success!
  $scope.pushSuccess = result
}, function(err) {
  $scope.pushSuccess = err;
});

I manage to successfully get an RegID from GCM. But then how do I manage onNotification from androidConfig ?

i found the solution.

instead of doing this :

var androidConfig = {
"senderID":"372433177444",
"ecb":"onNotification"
};

I do like this :

var androidConfig = {
"senderID":"372433177444",
"ecb":"window.onNotification"
};

then

window.onNotification = function(e) {
  switch( e.event )
  {
      case 'registered':
          if ( e.regid.length > 0 )
          {
              console.log("Your regID is : " + e.regid);
          }
          break;

      case 'message':
          // this is the actual push notification. its format depends on the data model     from the push server
          console.log('message = '+e.message);
          angular.element(document.querySelector('#yata')).html(e.message);
          break;

      case 'error':
          console.log('GCM error = '+e.msg);
          break;

      default:
          console.log('An unknown GCM event has occurred');
          break;
  }
};

all work as expected now :)