--- title: DiscountCodeAppInput - GraphQL Admin description: >- The input fields for creating or updating a code discount, where the discount type is provided by an app extension that uses [Shopify Functions](https://shopify.dev/docs/apps/build/functions). Use these input fields when you need advanced or custom discount capabilities that aren't supported by [Shopify's native discount types](https://help.shopify.com/manual/discounts/discount-types). api_version: 2025-01 api_name: admin type: input-object api_type: graphql source_url: html: >- https://shopify.dev/docs/api/admin-graphql/2025-01/input-objects/DiscountCodeAppInput md: >- https://shopify.dev/docs/api/admin-graphql/2025-01/input-objects/DiscountCodeAppInput.md --- # Discount​Code​App​Input input\_object The input fields for creating or updating a code discount, where the discount type is provided by an app extension that uses [Shopify Functions](https://shopify.dev/docs/apps/build/functions). Use these input fields when you need advanced or custom discount capabilities that aren't supported by [Shopify's native discount types](https://help.shopify.com/manual/discounts/discount-types). ## Fields * applies​Once​Per​Customer [Boolean](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/Boolean) Whether a customer can only use the discount once. * applies​On​One​Time​Purchase [Boolean](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/Boolean) Default:true Whether the discount applies on regular one-time-purchase items. * applies​On​Subscription [Boolean](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/Boolean) Default:false Whether the discount applies to subscriptions items. * code [String](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/String) The code that customers use to apply the discount. * combines​With [Discount​Combines​With​Input](https://shopify.dev/docs/api/admin-graphql/2025-01/input-objects/DiscountCombinesWithInput) The [discount classes](https://help.shopify.com/manual/discounts/combining-discounts/discount-combinations) that you can use in combination with [Shopify discount types](https://help.shopify.com/manual/discounts/discount-types). * ends​At [Date​Time](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/DateTime) The date and time when the discount expires and is no longer available to customers. For discounts without a fixed expiration date, specify `null`. * function​Id [String](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/String) The [function ID](https://shopify.dev/docs/apps/build/functions/input-output/metafields-for-input-queries) associated with the app extension that's providing the [discount type](https://help.shopify.com/manual/discounts/discount-types). * metafields [\[Metafield​Input!\]](https://shopify.dev/docs/api/admin-graphql/2025-01/input-objects/MetafieldInput) Default:\[] Additional metafields to associate to the discount. [Metafields](https://shopify.dev/docs/apps/build/custom-data) provide dynamic function configuration with different parameters, such as `percentage` for a percentage discount. Merchants can set metafield values in the Shopify admin, which makes the discount function more flexible and customizable. * recurring​Cycle​Limit [Int](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/Int) Default:1 The number of times a discount applies on recurring purchases (subscriptions). 0 will apply infinitely whereas 1 will only apply to the first checkout. * starts​At [Date​Time](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/DateTime) The date and time when the discount becomes active and is available to customers. * title [String](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/String) The discount's name that displays to merchants in the Shopify admin and to customers. * usage​Limit [Int](https://shopify.dev/docs/api/admin-graphql/2025-01/scalars/Int) The maximum number of times that a customer can use the discount. For discounts with unlimited usage, specify `null`. * customer​Selection [Discount​Customer​Selection​Input](https://shopify.dev/docs/api/admin-graphql/2025-01/input-objects/DiscountCustomerSelectionInput) Deprecated *** ## Map No referencing types