---
title: CustomDataAccessType - Shop Users API
description: |-
  Access for Shop Custom Data primitives is composed of AccessGrants and/or a default permission that applies
  to any client using the API.
api_version: unstable latest
source_url:
  html: https://shopify.dev/docs/api/shop-users/latest/objects/CustomDataAccessType
  md: https://shopify.dev/docs/api/shop-users/latest/objects/CustomDataAccessType.md
---

# Custom​Data​Access​Type

object

Access for Shop Custom Data primitives is composed of AccessGrants and/or a default permission that applies to any client using the API.

## Fields

* default

  [Custom​Data​Access​Permission​Type](https://shopify.dev/docs/api/shop-users/latest/enums/CustomDataAccessPermissionType)

  Permission granted to any client with Shop User Metafield Access.

* grants

  [\[Custom​Data​Access​Grant​Type!\]](https://shopify.dev/docs/api/shop-users/latest/unions/CustomDataAccessGrantType)

  List of AccessGrants on object

***

## Map

### Fields with this object

* [MetafieldDefinition.access](https://shopify.dev/docs/api/shop-users/latest/objects/MetafieldDefinition#field-MetafieldDefinition.fields.access)