--- title: CustomGiftCardPaymentDetails - Customer API description: The gift card payment details related to a transaction. api_version: unstable api_name: customer source_url: html: https://shopify.dev/docs/api/customer/unstable/objects/customgiftcardpaymentdetails md: https://shopify.dev/docs/api/customer/unstable/objects/customgiftcardpaymentdetails.md --- # Custom​Gift​Card​Payment​Details object The gift card payment details related to a transaction. ## Fields * last4 [String](https://shopify.dev/docs/api/customer/unstable/scalars/String) [Pre-auth accessible](https://shopify.dev/docs/apps/build/customer-accounts/order-status-page#customer-account-api) The transaction identifier of the gift card used. *** ## Map ### Possible type in * [Payment​Details](https://shopify.dev/docs/api/customer/unstable/unions/PaymentDetails)