Carrier's/shipper's ID/Number of the shipment referenced on the invoice.
invoic_Examples
<documentReference documentType="Shipment" id="Sample_SN0000105" date="2021-02-04"></documentReference> invoic_XPATH
/b24Message/invoice/documentReference[@documentType="Shipment"]/@id
invoic_Required
No
invoic_Type
Text
invoic_Sort
1200