---
title: >-
  Updated MetafieldsSetInput.type to be nullable for metafieldsSet mutation -
  Shopify developer changelog
description: >-
  Shopify’s developer changelog documents all changes to Shopify’s platform.
  Find the latest news and learn about new platform opportunities.
source_url:
  html: >-
    https://shopify.dev/changelog/updated-metafieldssetinput-type-to-be-nullable-for-metafieldsset-mutation
  md: >-
    https://shopify.dev/changelog/updated-metafieldssetinput-type-to-be-nullable-for-metafieldsset-mutation.md
metadata:
  effectiveApiVersion: 2023-01
  affectedApi: []
  primaryTag:
    displayName: API
    handle: api
  secondaryTag:
    displayName: Update
    handle: update
  indicatesActionRequired: false
  createdAt: '2022-07-03T23:31:09-04:00'
  postedAt: '2023-01-01T00:00:00-05:00'
  updatedAt: '2024-12-13T17:24:34-05:00'
  effectiveAt: '2023-01-01T00:00:00-05:00'
---

January 1, 2023

Tags:

* API
* 2023-01

# Updated MetafieldsSetInput.type to be nullable for metafieldsSet mutation

As part of the **2023-01** GraphQL Admin API release, we've updated the `metafieldsSet` API to make the `MetafieldsSetInput.type` field nullable. When the metafield you are trying to mutate already has corresponding [metafield definitions](https://help.shopify.com/en/manual/metafields/metafield-definitions), you can simplify the mutation by omitting the `type` field from its arguments. The `type` field is still required when the metafield doesn't have a corresponding definition to the given `ownerId`, `namespace` and `key`.

For more information, refer to the [metafieldsSet](https://shopify.dev/api/admin-graphql/unstable/mutations/metafieldsSet) mutation.