code: public ApiSuccessResponse saveEmail(String id, SaveData saveData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = saveEmailWithHttpInfo(id, saveData);
          return resp.getData();
      }
docs: Save email information to UCS
  Save email information of interaction specified in the id path parameter
  @param id id of interaction to save (required)
  @param saveData Request parameters. (optional)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body