Inheritance: BaseModel
        public SubjectField Create(SubjectField subjectfield)
        {
            var request = new RestRequest("subject_fields.xml", Method.POST) { XmlSerializer = new XmlIgnoreSerializer() };
            request.AddBody(subjectfield);

            var response = _client.Execute<SubjectField>(request);
            return response.Data;
        }
        public bool Update(SubjectField subjectField)
        {
            var request = new RestRequest("subject_fields/{id}.xml", Method.PUT) { XmlSerializer = new XmlIgnoreSerializer() };
            request.AddParameter("id", subjectField.Id, ParameterType.UrlSegment);
            request.AddBody(subjectField);

            var response = _client.Execute<Kase>(request);
            return response.StatusCode == HttpStatusCode.OK;
        }