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:
String! -
The key of the metafield this option is linked to.
namespace:
String! -
The namespace of the metafield this option is linked to.