public HttpResponseMessage GetUsersFromGroup([FromBody]IdentityModel model) { return SafeAction(() => { IDelightServices service = new DelightServices(); var userGroups = service.GetUsersFromGroup(model.Id); if (userGroups == null) { return Request.CreateResponse(HttpStatusCode.NoContent); } var response = Request.CreateResponse<IEnumerable<UserDTO>>(HttpStatusCode.OK, userGroups); return response; }, model); }