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New checkoutChargeAmount field added to Cart object on Storefront API
API
Effective April 04, 2022
As of GraphQL Storefront API version 2022-04, a new checkoutChargeAmount field has been added to Cart. It indicates the subtotal amount to be paid for this cart at checkout, not including any deferred payments. This field is currently restricted behind the extend_selling_plans_api beta flag.
The checkoutChargeAmount field is similar to the subtotal field. The subtotal field indicates the subtotal that will be paid altogether, including any payments that will be made at a later date. The checkoutChargeAmount is the actual price that will be paid at the time of checkout.