# Editor.AdvancedDropdownWidget.RootItem

```csharp
AdvancedDropdownItem RootItem { get; set; }
```

The root of the item tree. Populated by [Editor.AdvancedDropdownWidget.OnBuildItems](/api/Editor.AdvancedDropdownWidget/OnBuildItems) or set directly.

Declared in [Editor.AdvancedDropdownWidget](/api/Editor.AdvancedDropdownWidget).
Assembly: `Sandbox.Tools`.