code: public ApiSuccessResponse addContent(String mediatype, String id, AddContentData addContentData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = addContentWithHttpInfo(mediatype, id, addContentData);
          return resp.getData();
      }
docs: Create the interaction in UCS database
  Create the interaction in UCS database
  @param mediatype media-type of interaction (required)
  @param id id of the interaction (required)
  @param addContentData  (optional)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body