# Sandbox.UI.Navigation.NavigationHost.OnTemplateSlot

```csharp
void OnTemplateSlot(INode element, string slotName, Panel panel)
```

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### Parameters

- `element` (`INode`)
- `slotName` (`string`)
- `panel` (`Panel`)

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