--- title: SubscriptionManualDiscountLinesInput - GraphQL Admin description: The input fields for line items that the discount refers to. api_version: 2025-10 api_name: admin type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/subscriptionmanualdiscountlinesinput md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/subscriptionmanualdiscountlinesinput.md --- # Subscription​Manual​Discount​Lines​Input input\_object The input fields for line items that the discount refers to. ## Fields * add [\[ID!\]](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) The ID of the lines to add to the subscription discount. * remove [\[ID!\]](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) The ID of the lines to remove from the subscription discount. *** ## Input objects using this input * [Subscription​Manual​Discount​Entitled​Lines​Input.lines](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/SubscriptionManualDiscountEntitledLinesInput#fields-lines) INPUT OBJECT The input fields for the subscription lines the discount applies on. *** ## Map ### Input objects using this input * [Subscription​Manual​Discount​Entitled​Lines​Input.lines](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/SubscriptionManualDiscountEntitledLinesInput#fields-lines)