code: public static function create(Api $api)
      {
          $payment = new Payment;
  
          $payment->addApi($api);
  
          $payment->addExtension(new EndlessCycleDetectorExtension);
  
          $payment->addAction(new SetExpressCheckoutAction);
          $payment->addAction(new GetTransactionDetailsAction);
  
          $payment->addAction(new CaptureAction);
          $payment->addAction(new CaptureOrderAction);
          $payment->addAction(new NotifyOrderAction);
          $payment->addAction(new FillOrderDetailsAction);
          $payment->addAction(new StatusAction);
          $payment->addAction(new ExecuteSameRequestWithModelDetailsAction);
          $payment->addAction(new GetHttpRequestAction);
  
          return $payment;
      }
docs: @param Api $api
  
  @return \Payum\Core\Payment