--- title: GiftCardSendNotificationToCustomerUserErrorCode - GraphQL Admin description: Possible error codes that can be returned by `GiftCardSendNotificationToCustomerUserError`. api_version: 2025-10 api_name: admin type: enum api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/enums/giftcardsendnotificationtocustomerusererrorcode md: https://shopify.dev/docs/api/admin-graphql/latest/enums/giftcardsendnotificationtocustomerusererrorcode.md --- # Gift​Card​Send​Notification​To​Customer​User​Error​Code enum Possible error codes that can be returned by `GiftCardSendNotificationToCustomerUserError`. ## Valid values * CUSTOMER\_​NOT\_​FOUND The customer could not be found. * GIFT\_​CARD\_​NOT\_​FOUND The gift card could not be found. * INVALID The input value is invalid. *** ## Fields * [Gift​Card​Send​Notification​To​Customer​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/GiftCardSendNotificationToCustomerUserError#field-GiftCardSendNotificationToCustomerUserError.fields.code) OBJECT An error that occurs during the execution of `GiftCardSendNotificationToCustomer`. *** ## Map ### Fields with this enum * <-|[Gift​Card​Send​Notification​To​Customer​User​Error.code](https://shopify.dev/docs/api/admin-graphql/latest/objects/GiftCardSendNotificationToCustomerUserError#field-GiftCardSendNotificationToCustomerUserError.fields.code)