Sonata\Component\Payment\TransactionInterface::getStatusCode PHP Method

    public function getStatusCode();

 /**
  * {@inheritdoc}
  */
 public function handleError(TransactionInterface $transaction)
 {
     if ($transaction->getOrder()->isOpen()) {
         $transaction->getOrder()->setPaymentStatus($transaction->getStatusCode());
     }
     $this->report($transaction);
     return new Response('ko', 200, array('Content-Type' => 'text/plain'));
 }