PaymentFactory.php
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;
    }
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;
    }
@param Api $api

@return \Payum\Core\Payment