whole_func_string: function (error) {
                  if (error) {
                      result.callbackError(error, false);
                  } else {
                      result.callbackOk(undefined, false);
                  }
              }
func_code_string: function (error) {
                  if (error) {
                      result.callbackError(error, false);
                  } else {
                      result.callbackOk(undefined, false);
                  }
              }
func_documentation_string: if request contains invalid args, the invocation framework will provide error in callback no validation done here