# MetafieldDefinitionIdentifierInput - admin - INPUT_OBJECT
Version: unstable

## Description
The input fields that identify metafield definitions.

### Access Scopes



## Fields
* [key](/docs/api/admin/unstable/scalars/String): String! - The unique identifier for the metafield definition within its namespace.
* [namespace](/docs/api/admin/unstable/scalars/String): String - The container for a group of metafields that the metafield definition will be associated with. If omitted, the
app-reserved namespace will be used.
* [ownerType](/docs/api/admin/unstable/enums/MetafieldOwnerType): MetafieldOwnerType! - The resource type that the metafield definition is attached to.


## Input objects with this input object
* [metafieldDefinitionDelete](/docs/api/admin/unstable/mutations/metafieldDefinitionDelete)
* [metafieldDefinitionPin](/docs/api/admin/unstable/mutations/metafieldDefinitionPin)
* [metafieldDefinitionUnpin](/docs/api/admin/unstable/mutations/metafieldDefinitionUnpin)
* [QueryRoot](/docs/api/admin/unstable/arguments/QueryRoot)
* [metafieldDefinition](/docs/api/admin/unstable/queries/metafieldDefinition)


## Examples