code: public MethodMetaArgs createDeleteMethod(HandlerMetaDef handlerMetaDef, EventModel em) {
  
  		String p_methodName = handlerMetaDef.getDeleteMethod();
  		if (p_methodName == null) {
  			Debug.logError("[JdonFramework] not configure the deleteMethod parameter: <deleteMethod name=XXXXX /> ", module);
  		}
  
  		return createCRUDMethodMetaArgs(p_methodName, em);
  	}
docs: create update method the service/s method parameter type must be
  EventModel type;
  
  @param handlerMetaDef
  @param em
  EventModel
  @return MethodMetaArgs instance