Get Rate from Sales Order
While getting the rate from the sales order, if the selected shipping method has “Cheapest Carrier Selection?” option enabled then it will fetch the cheapest shipping rate from the carriers & services selected in the shipping method.
If “Cheapest Carrier Selection?” is not enabled, then it will fetch the rate based on the selected shipstation carrier and shipstation service in the shipping method and display the shipping rate.
“Add” button will add the shipping charges to the sales order.
