# Sandbox.UI.PanelRenderTreeBuilder.AddStyleDefinitions

```csharp
void AddStyleDefinitions(int sequence, string styles)
```

Styles from a style block

### Parameters

- `sequence` (`int`)
- `styles` (`string`)

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