Readonly
actionOptional
Readonly
externalAn external Tax Rate can be set if the Cart has the External
TaxMode.
Optional
Readonly
shippingValue to set. If empty, any existing value is removed.
If the referenced Shipping Method has a predicate that does not match the Cart, an [InvalidOperation](ctp:api:type:InvalidOperationError) error is returned.
To set the Cart's Shipping Method the Cart must have the
Single
ShippingMode and ashippingAddress
.