--- title: SellingPlanInventoryPolicyInput - GraphQL Admin description: The input fields required to create or update an inventory policy. api_version: unstable api_name: admin source_url: html: >- https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/SellingPlanInventoryPolicyInput md: >- https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/SellingPlanInventoryPolicyInput.md --- # Selling​Plan​Inventory​Policy​Input input\_object The input fields required to create or update an inventory policy. ## Fields * reserve [Selling​Plan​Reserve](https://shopify.dev/docs/api/admin-graphql/unstable/enums/SellingPlanReserve) When to reserve inventory for the order. The value must be ON\_FULFILLMENT or ON\_SALE. *** ## Input objects using this input * [Selling​Plan​Input.inventoryPolicy](https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/SellingPlanInput#fields-inventoryPolicy) INPUT OBJECT The input fields to create or update a selling plan. *** ## Map ### Input objects using this input * [Selling​Plan​Input.inventoryPolicy](https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/SellingPlanInput#fields-inventoryPolicy)