# radiusHandleDrawFunction

> The Handles.CapFunction to use when displaying the radius control handle.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.IMGUI.Controls](/engine/6000.7/script-reference/unityeditor/imgui/controls.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public Handles.CapFunction radiusHandleDrawFunction { get; set; }
```

### Remarks

Defaults to [Handles.DotHandleCap](/engine/6000.7/script-reference/unityeditor/handles/dothandlecap.md) for new instances of [ArcHandle](/engine/6000.7/script-reference/unityeditor/imgui/controls/archandle.md). No radius handle will be drawn if a value of `null` is assigned.

Additional Resources: [ArcHandle.radiusHandleSizeFunction](/engine/6000.7/script-reference/unityeditor/imgui/controls/archandle/radiushandlesizefunction.md).