UpdateCheckoutDataInput
Update checkout data input object
Input fields
lineItems
List of cart line items. Any existing line items not included in this list will be removed.
shippingConsignments
The list of shipping consignments. Any existing consignments not included in this list will be removed.
billingAddress
The checkout billing address
customerMessage
The checkout customer message
coupons
List of coupon codes to apply to the checkout