---
title: UISceneCollectionJoinBehavior.preferred
framework: uikit
role: symbol
role_heading: Case
path: uikit/uiscenecollectionjoinbehavior/preferred
---

# UISceneCollectionJoinBehavior.preferred

A behavior that adds the new scene to the requesting scene’s collection and activate it, or attempts to join a compatible collection.

## Declaration

```swift
case preferred
```

## Discussion

Discussion If requestingScene is set, this behavior adds the new scene to its collection and activates it. Otherwise, the scene attempts to join a compatible collection.

## See Also

### Constants

- [UISceneCollectionJoinBehavior.automatic](uikit/uiscenecollectionjoinbehavior/automatic.md)
- [UISceneCollectionJoinBehavior.preferredWithoutActivating](uikit/uiscenecollectionjoinbehavior/preferredwithoutactivating.md)
- [UISceneCollectionJoinBehavior.disallowed](uikit/uiscenecollectionjoinbehavior/disallowed.md)