public async Task <AssignmentTypeResponse.UpdateResponse> Update(AssignmentTypeApiModel model)
        {
            var response = await PostEncodedContentWithSimpleResponse <AssignmentTypeResponse.UpdateResponse, AssignmentTypeApiModel>(updateUri, model);

            return(response);
        }
        public async Task <AssignmentTypeResponse.AddResponse> AddNew(AssignmentTypeApiModel model)
        {
            var response = await PostEncodedContentWithSimpleResponse <AssignmentTypeResponse.AddResponse, AssignmentTypeApiModel>(createUri, model);

            return(response);
        }