Common
```kotlin
@ExperimentalMaterial3AdaptiveApi
class ThreePaneScaffoldDestinationItem(
val pane: ThreePaneScaffoldRole,
val contentKey: T? = null,
)
```
An item representing a navigation destination in a `ThreePaneScaffold`.
#### Parameters
| | |
| --- | --- |
| pane | the pane destination of the navigation. |
| contentKey | the optional key or id representing the content of the destination. The type `T` must be storable in a Bundle. |