# Sandbox.UI.ButtonGroup.AddButtonActive

```csharp
Button AddButtonActive(string value, System.Action<bool> action)
```

### Parameters

- `value` (`string`)
- `action` (`System.Action<bool>`)

### Returns

`Button`

Declared in [Sandbox.UI.ButtonGroup](/api/Sandbox.UI.ButtonGroup).
Assembly: `Sandbox.Engine`.