code: function notifyController($scope, $rootScope) {
  
      /**
       * Default settings
       */
      var DEFAULT_STATUS = "info";
      var DEFAULT_HEADING = "Browsersync:";
      var DEFAULT_MESSAGE = "Welcome to Browsersync";
      var DEFAULT_TIMEOUT = 2000;
  
      /**
       * Default state
       * @type {{visible: boolean, status: string, heading: string, text: string}}
       */
      $scope.ui = {
          status: DEFAULT_STATUS,
          heading: DEFAULT_HEADING,
          message: DEFAULT_MESSAGE
      };
  
      /**
       * @param evt
       * @param data
       */
      $scope.show = function (evt, data) {
  
          data = data || {};
  
          /**
           *
           * Clear any previous timers
           *
           */
          if ($scope._timer) {
              clearTimeout($scope._timer);
          }
  
          /**
           *
           * Set a reset timer
           *
           */
          $scope._timer = window.setTimeout($scope.reset, data.timeout || DEFAULT_TIMEOUT);
  
          /**
           *
           * Set UI flags
           *
           */
          $scope.ui.visible = true;
          $scope.ui.status = data.status || DEFAULT_STATUS;
          $scope.ui.heading = data.heading || DEFAULT_HEADING;
          $scope.ui.message = data.message || DEFAULT_HEADING;
      };
  
      /**
       * Reset the UI
       */
      $scope.reset = function () {
          $scope.ui.visible = false;
          $scope.$digest();
      };
  
      /**
       * Listen to events on the $rootScope
       */
      $rootScope.$on("notify:flash", $scope.show);
  }
docs: Notify
  @param $scope
  @param $rootScope