--- title: MetaobjectFieldDefinitionDeleteInput - GraphQL Admin description: The input fields for deleting a metaobject field definition. api_version: unstable api_name: admin source_url: html: >- https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/MetaobjectFieldDefinitionDeleteInput md: >- https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/MetaobjectFieldDefinitionDeleteInput.md --- # Metaobject​Field​Definition​Delete​Input input\_object The input fields for deleting a metaobject field definition. ## Fields * key [String!](https://shopify.dev/docs/api/admin-graphql/unstable/scalars/String) non-null The key of the field definition to delete. *** ## Input objects using this input * [Metaobject​Field​Definition​Operation​Input.delete](https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/MetaobjectFieldDefinitionOperationInput#fields-delete) INPUT OBJECT The input fields for possible operations for modifying field definitions. Exactly one option is required. *** ## Map ### Input objects using this input * [Metaobject​Field​Definition​Operation​Input.delete](https://shopify.dev/docs/api/admin-graphql/unstable/input-objects/MetaobjectFieldDefinitionOperationInput#fields-delete)