# MetafieldDefinitionValidationInput - admin - INPUT_OBJECT
Version: unstable

## Description
The name and value for a metafield definition validation.

For example, for a metafield definition of `single_line_text_field` type, you can set a validation with the name `min` and a value of `10`.
This validation will ensure that the value of the metafield is at least 10 characters.

Refer to the [list of supported validations](https://shopify.dev/api/admin/graphql/reference/common-objects/metafieldDefinitionTypes#examples-Fetch_all_metafield_definition_types).

### Access Scopes



## Fields
* [name](/docs/api/admin/unstable/scalars/String): String! - The name for the metafield definition validation.
* [value](/docs/api/admin/unstable/scalars/String): String! - The value for the metafield definition validation.


## Input objects with this input object
* [MetafieldDefinitionInput](/docs/api/admin/unstable/input-objects/MetafieldDefinitionInput)
* [MetafieldDefinitionUpdateInput](/docs/api/admin/unstable/input-objects/MetafieldDefinitionUpdateInput)
* [MetaobjectFieldDefinitionCreateInput](/docs/api/admin/unstable/input-objects/MetaobjectFieldDefinitionCreateInput)
* [MetaobjectFieldDefinitionUpdateInput](/docs/api/admin/unstable/input-objects/MetaobjectFieldDefinitionUpdateInput)


## Examples