# ICustomTooltipPainter interface

Namespace: [Grasshopper2.Doc.Attributes](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.doc.attributes.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public interface ICustomTooltipPainter
```

Implement this interface in your document object if you wish to automatically include custom graphics in your tooltip details region.

## Properties

- [TooltipPainter](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.attributes.icustomtooltippainter/tooltippainter.md): Return an action which will draw custom graphics into a tooltip details region.