---
title: CollectionConditionMetafieldDefinitionInterface - GraphQL Admin
description: >-
  Common fields exposed by every metafield definition usable as a collection
  condition.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/interfaces/CollectionConditionMetafieldDefinitionInterface
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/interfaces/CollectionConditionMetafieldDefinitionInterface.md
api_name: admin
api_type: graphql
type: interface
---

# Collection​Condition​Metafield​Definition​Interface

interface

Common fields exposed by every metafield definition usable as a collection condition.

## Fields

* description

  [String](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String)

  The description of the metafield definition.

* id

  [ID!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/ID)

  non-null

  The ID of the underlying metafield definition.

* key

  [String!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String)

  non-null

  The unique identifier for the metafield definition within its namespace.

* name

  [String!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String)

  non-null

  The human-readable name of the metafield definition.

* namespace

  [String!](https://shopify.dev/docs/api/admin-graphql/latest/scalars/String)

  non-null

  The container for a group of metafields that the metafield definition is associated with.

* owner​Type

  [Metafield​Owner​Type!](https://shopify.dev/docs/api/admin-graphql/latest/enums/MetafieldOwnerType)

  non-null

  The resource type that the metafield definition is attached to.

* type

  [Metafield​Definition​Type!](https://shopify.dev/docs/api/admin-graphql/latest/objects/MetafieldDefinitionType)

  non-null

  The data type of the metafield definition.

* validations

  [\[Metafield​Definition​Validation!\]!](https://shopify.dev/docs/api/admin-graphql/latest/objects/MetafieldDefinitionValidation)

  non-null

  A list of validation options for the metafields that belong to the metafield definition.

***

##### Variables

```json
{
	"description": "",
	"id": "",
	"key": "",
	"name": "",
	"namespace": "",
	"ownerType": "",
	"type": "",
	"validations": ""
}
```

##### Schema

```graphql
interface CollectionConditionMetafieldDefinitionInterface {
  description: String
  id: ID!
  key: String!
  name: String!
  namespace: String!
  ownerType: MetafieldOwnerType!
  type: MetafieldDefinitionType!
  validations: [MetafieldDefinitionValidation!]!
}
```