---
title: "UpdateAppBody"
description: "Request body for updating an App."
section: "Reference"
group: "Types"
order: 21
---

## Definition

```ts
interface UpdateAppBody {
  name?: string | undefined;
  description?: string | undefined;
  handle?: string | undefined;
  publicAccess?: boolean | undefined;
  defaultVersionId?: string | undefined;
  config?:
    | {
        [x: string]: unknown;
        nodeVersion?: string | undefined;
        env?: Record<string, string> | undefined;
      }
    | undefined;
}
```

## Fields

| Field              | Type                                                                                                                   | Notes                                                                                     |
| ------------------ | ---------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------- |
| `name`             | `string \| undefined`                                                                                                  | `optional` — New name                                                                     |
| `description`      | `string \| undefined`                                                                                                  | `optional` — New description                                                              |
| `handle`           | `string \| undefined`                                                                                                  | `optional` — New URL handle                                                               |
| `publicAccess`     | `boolean \| undefined`                                                                                                 | `optional` — Toggle public access: `true` = reachable without auth, `false` = auth-gated. |
| `defaultVersionId` | `string \| undefined`                                                                                                  | `optional` — Set default version (must have a successful deploy)                          |
| `config`           | `{ [x: string]: unknown; nodeVersion?: string \| undefined; env?: Record<string, string> \| undefined; } \| undefined` | `optional` — Updated config                                                               |