Enter the article number (SKU) used for the shipping fee on order rows in Specter.
It works in both directions:
when orders are sent to Specter, the shipping fee is added as an order row with this article number, and
when orders are loaded from Specter, the order row with this article number is treated as shipping.
Good to know
If you leave it empty, frakt is used.
To use different article numbers for different shipping methods, use Map Shipping methods in Order Rows.