public IHttpActionResult Post([FromBody] EventModel model) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } var userId = User.Identity.GetUserId <int>(); var succes = ServiceResponce.FromSuccess().Result("Concert save complete"); var error = ServiceResponce.FromFailed().Result($"Error save concert"); var concert = _concertService.SaveConcert(model, userId); if (concert == null) { return(Ok(error.Response())); } succes.Add("concertId", concert.Id); return(Ok(succes.Response())); }