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

# UISceneCollectionJoinBehavior.disallowed

A behavior that creates a new collection for the new scene, ignoring system preferences.

## Declaration

```swift
case disallowed
```

## See Also

### Constants

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