Reference Elements with Output Location

The ShipService WSDL uses the CustomerReferences/CustomerReferenceType element to define reference information.

Value Prints
BILL_OF_LADING Shipping label and invoice.
CUSTOMER_REFERENCE Shipping label, FedEx Ground shipping reports, and in the Customer Reference element on the invoice.
INVOICE_NUMBER Shipping label and invoice.
P_O_NUMBER Shipping label and invoice.
STORE_NUMBER Shipping label and invoice.
Note: These elements can also be configured to print on the thermal label Doc-Tab. For more information, see the Doc-Tab instructions in Creating a Label.

You may use reference elements to track packages or to tie packages together for a single track request.

See Tracking and Visibility Services for more information.