public function getSimpleVoucher()
    {
        $oVoucher = new stdClass();
        $oVoucher->sVoucherId = $this->getId();
        $oVoucher->sVoucherNr = null;
        if ($this->oxvouchers__oxvouchernr) {
            $oVoucher->sVoucherNr = $this->oxvouchers__oxvouchernr->value;
        }

        // R. set in oxBasket : $oVoucher->fVoucherdiscount = \OxidEsales\Eshop\Core\Registry::getLang()->formatCurrency( $this->oxvouchers__oxdiscount->value );

        return $oVoucher;
    }