# MetafieldDefinitionConstraints - admin-graphql - OBJECT
Version: 2025-01

## Description
The constraints that determine what subtypes of resources a metafield definition applies to.

### Access Scopes



## Fields
* [key](/docs/api/admin-graphql/2025-01/scalars/String): String - The category of resource subtypes that the definition applies to.

## Connections
* [values](/docs/api/admin-graphql/2025-01/connections/MetafieldDefinitionConstraintValueConnection): MetafieldDefinitionConstraintValueConnection!



## Related queries

## Related mutations

## Related Unions

## Examples