--- title: ChildProductRelationInput - GraphQL Admin description: The input fields for adding products to the Combined Listing. 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/childproductrelationinput md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/childproductrelationinput.md --- # Child​Product​Relation​Input input\_object The input fields for adding products to the Combined Listing. ## Fields * child​Product​Id [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID) non-null The ID of the child product. * selected​Parent​Option​Values [\[Selected​Variant​Option​Input!\]!](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/SelectedVariantOptionInput) required The parent option values. *** ## Map No referencing types