When your vendor requires specific shipping methods Spark Shipping allows you to map your shopping cart shipping methods (Site Code) to your vendor's shipping methods (Vendor Code).
To find this setting for custom vendors, navigate to Vendor -> Update Fulfillment Settings -> Shipping Description Mapping
For Prebuilt vendors, there should be a tab dedicated for this Shipping Methods.
- Shipping Description Mapping is not required for all setups. Only when the vendor requests a specific shipping method(s).