ReferenceTypes

Name Value Description
SenderReference 0 Senders reference for the shipment. Visible on the label if you use the Label API. It is also visible on the invoice, but only 15 characters will be visible on the invoice.
SenderInvoiceReference 1 Visible on the invoice, but only the first 15 characters. Will overwrite any information in the SenderReference on the invoice and will overwrite the Recipient's name.
RecipientReference 2 Recipients reference for the shipment. Visible in tracking.
OrderReference 3 Order number.
Internal 4 Internal reference from your side. Will not be used for anything special. Might be useful to connect internal id in your system to parcel id returned from our system.