Order::getDeliveryIdList

public function getDeliveryIdList() : array
{
	$result = [];

	/** @var Shipment $shipment */
	foreach ($this->getShipmentCollection()->getNotSystemItems() as $shipment)
	{
		if ($shipment->getDeliveryId() > 0)
		{
			$result[] = $shipment->getDeliveryId();
		}
	}

	return $result;
}