# Sandbox.UI.PanelRenderTreeBuilder.SetRenderFragment

```csharp
void SetRenderFragment(System.Action<T,Microsoft.AspNetCore.Components.RenderFragment> setter, Microsoft.AspNetCore.Components.RenderFragment builder)
```

### Parameters

- `setter` (`System.Action<T,Microsoft.AspNetCore.Components.RenderFragment>`)
- `builder` (`Microsoft.AspNetCore.Components.RenderFragment`)

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