# IBundleAware interface

Namespace: [Grasshopper2.UI](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.ui.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public interface IBundleAware
```

Interface to indicate an object contains an assignable [Bundle<T>](https://developer.rhino3d.com/api/gh2/type/grasshopper2.ui.bundle-1.md) property. This property must have public gettings and setters and be of type [Bundle<T>](https://developer.rhino3d.com/api/gh2/type/grasshopper2.ui.bundle-1.md).

**Derived types:** [Bar](https://developer.rhino3d.com/api/gh2/type/grasshopper2.ui.toolbar.bar.md), [Slider](https://developer.rhino3d.com/api/gh2/type/grasshopper2.ui.slider.slider.md)