# Sandbox.UI.PanelRenderTreeBuilder.AddAttributeWithSetter

```csharp
void AddAttributeWithSetter(int sequence, object value, System.Action<T> setter)
```

### Parameters

- `sequence` (`int`)
- `value` (`object`)
- `setter` (`System.Action<T>`)

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