---
title: ProductVariantIdentifierInput - GraphQL Admin
description: The input fields for identifying a product variant.
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/productvariantidentifierinput
  md: https://shopify.dev/docs/api/admin-graphql/latest/input-objects/productvariantidentifierinput.md
---

# Product​Variant​Identifier​Input

input\_object

The input fields for identifying a product variant.

## Fields

* custom​Id

  [Unique​Metafield​Value​Input](https://shopify.dev/docs/api/admin-graphql/latest/input-objects/UniqueMetafieldValueInput)

  The [custom ID](https://shopify.dev/docs/apps/build/custom-data/metafields/working-with-custom-ids) of the product variant.

* id

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

  The ID of the product variant.

***

## Map

No referencing types