public function getDelSet()
    {
        if ($this->_oDelSet == null) {
            // load deliveryset info
            $this->_oDelSet = oxNew(\OxidEsales\Eshop\Application\Model\DeliverySet::class);
            $this->_oDelSet->load($this->oxorder__oxdeltype->value);
        }

        return $this->_oDelSet;
    }