---
title: UICollectionView.LayoutInteractiveTransitionCompletion
framework: uikit
role: symbol
role_heading: Type Alias
path: uikit/uicollectionview/layoutinteractivetransitioncompletion
---

# UICollectionView.LayoutInteractiveTransitionCompletion

The completion block called at the end of an interactive transition for a collection view.

## Declaration

```swift
typealias LayoutInteractiveTransitionCompletion = (Bool, Bool) -> Void
```

## Discussion

Discussion This completion block takes the following parameters:

## See Also

### Changing the layout

- [collectionViewLayout](uikit/uicollectionview/collectionviewlayout.md)
- [setCollectionViewLayout(_:animated:)](uikit/uicollectionview/setcollectionviewlayout(_:animated:).md)
- [setCollectionViewLayout(_:animated:completion:)](uikit/uicollectionview/setcollectionviewlayout(_:animated:completion:).md)
- [startInteractiveTransition(to:completion:)](uikit/uicollectionview/startinteractivetransition(to:completion:).md)
- [finishInteractiveTransition()](uikit/uicollectionview/finishinteractivetransition().md)
- [cancelInteractiveTransition()](uikit/uicollectionview/cancelinteractivetransition().md)