code: public CmsNotificationMessage sendSticky(Type type, String message) {
  
          CmsNotificationMessage notificationMessage = new CmsNotificationMessage(Mode.STICKY, type, message);
          m_messages.add(notificationMessage);
          if (hasWidget()) {
              m_widget.addMessage(notificationMessage);
          }
          return notificationMessage;
      }
docs: Sends a new sticky notification that can not be removed by the user.<p>
  
  @param type the notification type
  @param message the message
  
  @return the message, use to hide the message