# Setting: `custom_js`

- **Constant:** `ConfigInterface::CUSTOM_JS`
- **Category:** `other`
- **Type:** `textarea`
- **Required:** no
- **Sensitive:** no
- **Validation:** `string`
- **Placeholder / default hint:** `// dummy script - does nothing`

## Description

Custom JavaScript to inject into the page

## Allowed options

_Free-form / no fixed options_

## Change via CLI

```bash
featherpanel saas getsetting custom_js
featherpanel saas setsetting custom_js "<value>"
```

## Change via API

```http
PATCH /api/admin/settings
Content-Type: application/json

{ "custom_js": "<value>" }
```