Saves shipping options to the pending order.Introduced in 2023.1
            | Method | SaveShippingOptions | 
The request body is of type SaveShippingOptions.
| Name | Description | Data Type | 
|---|---|---|
| ShippingMethodID | xml:int | |
| SpecialInstructions | xml:string | |
| OrderHeaderComments | xml:string | |
| AlternateKey | xml:string | |
| RequestedShipDate | xml:string | 
The response body is of type SaveShippingOptionsResponse.
| Name | Description | Data Type | 
|---|---|---|
| SaveShippingOptionsResult | xml:string |