--- title: HasMetafieldsIdentifier - Storefront API description: The input fields to identify a metafield on an owner resource by namespace and key. api_version: 2025-01 api_name: storefront type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/storefront/2025-01/input-objects/hasmetafieldsidentifier md: https://shopify.dev/docs/api/storefront/2025-01/input-objects/hasmetafieldsidentifier.md --- # Has​Metafields​Identifier input\_object The input fields to identify a metafield on an owner resource by namespace and key. ## Fields * key [String!](https://shopify.dev/docs/api/storefront/2025-01/scalars/String) non-null The identifier for the metafield. * namespace [String](https://shopify.dev/docs/api/storefront/2025-01/scalars/String) The container the metafield belongs to. If omitted, the app-reserved namespace will be used. *** ## Map No referencing types