code: public ApiSuccessResponse login(ModifyLoginData body) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = loginWithHttpInfo(body);
          return resp.getData();
      }
docs: Login (HTTP session only)
  Starts the OAuth 2 flow for the Authorization Code grant type and returns a redirect to the Authentication service. For more information, see the [Authentication API](/reference/authentication/).
  @param body Body Data (required)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body