Inheritance: implements Dumplie\SharedKernel\Application\Command\Command, use trait Dumplie\SharedKernel\Application\Command\CommandSerialize
 /**
  * @param CreatePayment $command
  * @throws OrderNotFoundException
  */
 public function handle(CreatePayment $command)
 {
     $order = $this->orders->getById(new OrderId($command->orderId()));
     $this->payments->add(new Payment(new PaymentId($command->paymentId()), $order));
 }