code: @Override
      public void handleServerEvent(ISFSEvent event) throws SFSException {
          User sfsUser = (User) event.getParameter(SFSEventParam.USER);
          Zone sfsZone = (Zone) event.getParameter(SFSEventParam.ZONE);
          ApiZone apiZone = getApiZone(sfsZone);
          notifyHandlers(apiZone, sfsUser);
  
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.smartfoxserver.v2.extensions.IServerEventHandler#handleServerEvent(
  com.smartfoxserver.v2.core.ISFSEvent)