code: public ApiSuccessResponse createEmail(CreateData createData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = createEmailWithHttpInfo(createData);
          return resp.getData();
      }
docs: Create email interaction
  Create a new email interaction
  @param createData Request parameters. (optional)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body