---
title: MetafieldIdentifierInput - GraphQL Admin
description: The input fields that identify metafields.
api_version: 2025-10
api_name: admin
type: input-object
api_type: graphql
source_url:
  html: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/metafieldidentifierinput
  md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/metafieldidentifierinput.md
---

# Metafield​Identifier​Input

input\_object

The input fields that identify metafields.

## Fields

* key

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

  non-null

  The key of the metafield.

* namespace

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

  non-null

  The namespace of the metafield.

* owner​Id

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

  non-null

  The unique ID of the resource that the metafield is attached to.

***

## Map

No referencing types