public IActionResult AddStewardess([FromBody] Stewardess stewardess) { if (!ModelState.IsValid) { return(BadRequest() as IActionResult); } var entity = service.HireStewardess(stewardess); return(entity == null?StatusCode(409) as IActionResult : Created($"{Request.Scheme}://{Request.Host}{Request.Path}{entity.Id}", entity)); }