public async Task <IActionResult> ModifyCrew([FromBody] long crewId, [FromBody] long pilotId, [FromBody] IEnumerable <long> stewardressesIds) { if (!ModelState.IsValid) { return(BadRequest() as IActionResult); } var entity = await service.ReformCrewAsync(crewId, pilotId, stewardressesIds); return(entity == null?StatusCode(304) as IActionResult : Ok(mapper.Map <CrewDTO>(entity))); }