Package type, for example PX for pallet and BX for box. First package element should always have packageType="shipment", this is a virtual first level for the package hiearchy
recadv_Examples
<package packageType="" quantity="1" hierarchyIdentity="1" SSCC="" trackingUrl="http:/findPackageStatus.nu/454545">
recadv_XPATH
/b24Message/receivingAdvice/package/@packageType
recadv_Required
Yes
recadv_Sort
46