# Sandbox.UI.Toolbar.AddButton

```csharp
Button AddButton(string text, string icon, System.Action clicked)
```

Add a command. Use empty text for an icon-only button, and set its Tooltip.

### Parameters

- `text` (`string`)
- `icon` (`string`)
- `clicked` (`System.Action`)

### Returns

`Button`

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