--- title: ProductSetIdentifiers - GraphQL Admin description: The input fields required to identify a resource. api_version: 2025-10 api_name: admin type: input-object api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/productsetidentifiers md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/productsetidentifiers.md --- # Product​Set​Identifiers input\_object The input fields required to identify a resource. ## Fields * custom​Id [Unique​Metafield​Value​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/UniqueMetafieldValueInput) Custom ID of product to upsert. * handle [String](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String) Handle of product to upsert. * id [ID](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) ID of product to update. *** ## Map No referencing types