public void Post([FromBody] int hotelId, [FromBody] int volId, [FromBody] string nom, [FromBody] string prenom) { var volById = Vol.GetVolById(volId); var hotelById = Hotel.GetHotelById(hotelId); var voyage = new Voyage(volById, hotelById); voyage.nom = nom; voyage.prenom = prenom; FileReservation.EcrireFile(voyage); }