Directive that watches scope for data changes

gistfile1.txt

app.directive('alertSuccess', function() {
    return {
        require: 'ngModel',
        link: function(scope, ele, attrs, ngModelController) {

            scope.$watch(attrs.ngModel, function(value) {
            
                //broadcast to your GlobalNotificationController to bring in a dialog etc.
                scope.$emit('dataUpdated', value)
            });
        }
    };
});

//then in your html 

 <form name="newWidgetForm" novalidate alert-success>
     <input name="name" type="text" ng-model="newWidgetCtrl.widget.name" ensure-expression="newWidgetCtrl.widget.name.length >= 5" required /> 
      ... ... ...