# MetafieldDefinitionInput - admin-graphql - INPUT_OBJECT
Version: 2024-10

## Description
The input fields required to create a metafield definition.

### Access Scopes



## Fields
* [access](/docs/api/admin-graphql/2024-10/input-objects/MetafieldAccessInput): MetafieldAccessInput - The access settings that apply to each of the metafields that belong to the metafield definition.
* [capabilities](/docs/api/admin-graphql/2024-10/input-objects/MetafieldCapabilityCreateInput): MetafieldCapabilityCreateInput - The capabilities of the metafield definition.
* [description](/docs/api/admin-graphql/2024-10/scalars/String): String - The description for the metafield definition.
* [key](/docs/api/admin-graphql/2024-10/scalars/String): String! - The unique identifier for the metafield definition within its namespace.

Must be 2-64 characters long and only contain alphanumeric, hyphen, and underscore characters.
* [name](/docs/api/admin-graphql/2024-10/scalars/String): String! - The human-readable name for the metafield definition.
* [namespace](/docs/api/admin-graphql/2024-10/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.

Must be 3-255 characters long and only contain alphanumeric, hyphen, and underscore characters.
* [ownerType](/docs/api/admin-graphql/2024-10/enums/MetafieldOwnerType): MetafieldOwnerType! - The resource type that the metafield definition is attached to.
* [pin](/docs/api/admin-graphql/2024-10/scalars/Boolean): Boolean - Whether to [pin](https://help.shopify.com/manual/custom-data/metafields/pinning-metafield-definitions)
the metafield definition.
* [type](/docs/api/admin-graphql/2024-10/scalars/String): String! - The type of data that each of the metafields that belong to the metafield definition will store.
Refer to the list of [supported types](https://shopify.dev/apps/metafields/types).
* [useAsCollectionCondition](/docs/api/admin-graphql/2024-10/scalars/Boolean): Boolean - Whether the metafield definition can be used as a collection condition.
* [validations](/docs/api/admin-graphql/2024-10/input-objects/MetafieldDefinitionValidationInput): MetafieldDefinitionValidationInput - A list of [validation options](https://shopify.dev/apps/metafields/definitions/validation) for
the metafields that belong to the metafield definition. For example, for a metafield definition with the
type `date`, you can set a minimum date validation so that each of the metafields that belong to it can only
store dates after the specified minimum.
* [visibleToStorefrontApi](/docs/api/admin-graphql/2024-10/scalars/Boolean): Boolean - Whether metafields for the metafield definition are visible using the Storefront API.


## Input objects with this input object
* [metafieldDefinitionCreate](/docs/api/admin-graphql/2024-10/mutations/metafieldDefinitionCreate)


## Examples