# LinkedMetafieldUpdateInput - admin-graphql - INPUT_OBJECT Version: 2024-10 ## Description The input fields required to link a product option to a metafield. This API is currently in early access. See [Metafield-linked product options](https://shopify.dev/docs/api/admin/migrate/new-product-model/metafield-linked) for more details. ### Access Scopes ## Fields * [key](/docs/api/admin-graphql/2024-10/scalars/String): String! - The key of the metafield this option is linked to. * [namespace](/docs/api/admin-graphql/2024-10/scalars/String): String! - The namespace of the metafield this option is linked to. ## Input objects with this input object * [OptionUpdateInput](/docs/api/admin-graphql/2024-10/input-objects/OptionUpdateInput) ## Examples