---
title: OnlineStoreThemeFileBodyBase64 - GraphQL Admin
description: Represents the base64 encoded body of a theme file.
api_version: 2026-10
source_url:
  html: >-
    https://shopify.dev/docs/api/admin-graphql/latest/objects/OnlineStoreThemeFileBodyBase64
  md: >-
    https://shopify.dev/docs/api/admin-graphql/latest/objects/OnlineStoreThemeFileBodyBase64.md
api_name: admin
api_type: graphql
type: object
---

# Online​Store​Theme​File​Body​Base64

object

Requires `read_themes` access scope.

Represents the base64 encoded body of a theme file.

## Fields

* content​Base64

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

  non-null

  The body of the theme file, base64 encoded.

***

## Map

### Possible type in

* [Online​Store​Theme​File​Body](https://shopify.dev/docs/api/admin-graphql/latest/unions/OnlineStoreThemeFileBody)