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:
String! -
The name for the metafield definition validation.
value:
String! -
The value for the metafield definition validation.