public Task<QuestionResponseModel> CreateResponse(int questionId, IQuestionSubmissionModel model) {
     string resource = GetResourceLocation(questionId);
     return client.PostResource<IQuestionSubmissionModel, QuestionResponseModel>(resource, model);
 }
 public Task<QuestionsModel> CreateQuestion(IQuestionSubmissionModel model) {
     return client.PostResource<IQuestionSubmissionModel, QuestionsModel>("", model);
 }