iOS only. Use this type for a payment that occurs in the future, such as a pre-order. Only available on iOS 15 and up, otherwise falls back to ImmediateCartSummaryItem.
The unix timestamp of the date, in the future, of the payment. Measured in seconds.
A label for the item. For the final item, this should be the name of your company.
The amount for the item. For the final item, this should be the total.
iOS only. Use this type for a payment that occurs in the future, such as a pre-order. Only available on iOS 15 and up, otherwise falls back to ImmediateCartSummaryItem.