code: function(message, completeCallback, title, buttonLabel) {
          var _title = (title || "Alert");
          var _buttonLabel = (buttonLabel || "OK");
          exec(completeCallback, null, "Notification", "alert", [message, _title, _buttonLabel]);
      }
docs: Open a native alert dialog, with a customizable title and button text.
  
  @param {String} message              Message to print in the body of the alert
  @param {Function} completeCallback   The callback that is called when user clicks on a button.
  @param {String} title                Title of the alert dialog (default: Alert)
  @param {String} buttonLabel          Label of the close button (default: OK)