src/Payum/Sofort/Action/RefundAction.php
public function execute($request)
    {
        RequestNotSupportedException::assertSupports($this, $request);

        $this->gateway->execute(new RefundTransaction($request->getModel()));

        $this->gateway->execute(new Sync($request->getModel()));
    }
public function execute($request)
    {
        RequestNotSupportedException::assertSupports($this, $request);

        $this->gateway->execute(new RefundTransaction($request->getModel()));

        $this->gateway->execute(new Sync($request->getModel()));
    }
{@inheritdoc}

@param $request Notify