ReadonlyactionOptional ReadonlyexternalValue to set. If empty, any existing value is removed.
Optional Readonlylineid of the LineItem to update. Either lineItemId or lineItemKey is required.
Optional Readonlylinekey of the LineItem to update. Either lineItemId or lineItemKey is required.
Optional Readonlyshippingkey of the ShippingMethod used for this Line Item.
This is required for Carts with Multiple ShippingMode.
Can be used if the Cart has the
ExternalAmountTaxMode. This update action sets thetaxedPriceandtaxRateon a Line Item and must be used after any price-affecting change occurs.