code: public ApiSuccessResponse sendSystemCommand(String id, SystemCommandData systemCommandData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = sendSystemCommandWithHttpInfo(id, systemCommandData);
          return resp.getData();
      }
docs: Send a system command
  Send a system command to the specified chat.
  @param id The ID of the chat interaction. (required)
  @param systemCommandData Request parameters. (optional)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body