## Update an App

`client.magicTransit.apps.update(stringaccountAppId, AppUpdateParamsparams, RequestOptionsoptions?): AppUpdateResponse | null`

**put** `/accounts/{account_id}/magic/apps/{account_app_id}`

Updates an Account App

### Parameters

- `accountAppId: string`

  Identifier

- `params: AppUpdateParams`

  - `account_id: string`

    Path param: Identifier

  - `hostnames?: Array<string>`

    Body param: FQDNs to associate with traffic decisions.

  - `ip_subnets?: Array<string>`

    Body param: IPv4 CIDRs to associate with traffic decisions. (IPv6 CIDRs are currently unsupported)

  - `name?: string`

    Body param: Display name for the app.

  - `source_subnets?: Array<string>`

    Body param: IPv4 CIDRs to associate with traffic decisions. (IPv6 CIDRs are currently unsupported)

  - `type?: string`

    Body param: Category of the app.

### Returns

- `AppUpdateResponse`

  Custom app defined for an account.

  - `account_app_id: string`

    Magic account app ID.

  - `hostnames?: Array<string>`

    FQDNs to associate with traffic decisions.

  - `ip_subnets?: Array<string>`

    IPv4 CIDRs to associate with traffic decisions. (IPv6 CIDRs are currently unsupported)

  - `name?: string`

    Display name for the app.

  - `source_subnets?: Array<string>`

    IPv4 CIDRs to associate with traffic decisions. (IPv6 CIDRs are currently unsupported)

  - `type?: string`

    Category of the app.

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const app = await client.magicTransit.apps.update('023e105f4ecef8ad9ca31a8372d0c353', {
  account_id: '023e105f4ecef8ad9ca31a8372d0c353',
});

console.log(app.account_app_id);
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": {
    "account_app_id": "ac60d3d0435248289d446cedd870bcf4",
    "hostnames": [
      "auth.cloudflare.com"
    ],
    "ip_subnets": [
      "192.0.2.0/24"
    ],
    "name": "Cloudflare Dashboard",
    "source_subnets": [
      "192.0.2.0/24"
    ],
    "type": "Development"
  },
  "success": true
}
```