public ActionResult <MachineType> PostFolder(MachineTypeDTO DTO) { MachineType machineType = new MachineType(); machineType.Machines = DTO.Machines; machineType.MachineTypeOperations = DTO.MachineTypeOperations; machineType.Operations = DTO.Operations; _machineTypeRepository.Add(machineType); _machineTypeRepository.SaveChanges(); return(CreatedAtAction(nameof(GetMachineType), new { id = machineType.Id }, machineType)); }