--- title: InventoryAdjustmentInput - GraphQL Admin description: >- The input fields required to adjust the available quantity of a product variant at a location. api_version: 2026-01 api_name: admin type: input-object api_type: graphql source_url: html: >- https://shopify.dev/docs/api/admin-graphql/latest/input-objects/InventoryAdjustmentInput md: >- https://shopify.dev/docs/api/admin-graphql/latest/input-objects/InventoryAdjustmentInput.md --- # Inventory​Adjustment​Input input\_object The input fields required to adjust the available quantity of a product variant at a location. ## Fields * adjustment [Int](https://shopify.dev/docs/api/admin-graphql/latest/scalars/Int) The adjustment of the available quantity at the location. If the value is `null`, then the product variant is no longer stocked at the location. * change​From​Quantity [Int](https://shopify.dev/docs/api/admin-graphql/latest/scalars/Int) The quantity to compare against before applying the delta. * location​Id [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) non-null The ID of the location where the available quantity should be adjusted. *** ## Input objects using this input * [Product​Variants​Bulk​Input.quantityAdjustments](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/ProductVariantsBulkInput#fields-quantityAdjustments) INPUT OBJECT The input fields for specifying a product variant to create as part of a variant bulk mutation. *** ## Map ### Input objects using this input * [Product​Variants​Bulk​Input.quantityAdjustments](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/ProductVariantsBulkInput#fields-quantityAdjustments)