ReadonlyactionOptional Readonlycustomid of the CustomLineItem to update. Either customLineItemId or customLineItemKey is required.
Optional Readonlycustomkey of the CustomLineItem to update. Either customLineItemId or customLineItemKey is required.
ReadonlyquantityNew value to set.
If `0`, the Custom Line Item is removed from the Cart.
When multiple shipping addresses are set for a Custom Line Item, use the Add CustomLineItem update action to change the shipping details. Since it is not possible for the API to infer how the overall change in the Custom Line Item quantity should be distributed over the sub-quantities, the
shippingDetailsfield is kept in its current state to avoid data loss.