---
title: NSCollectionViewTransitionLayout.AnimatedKey
framework: appkit
role: symbol
role_heading: Type Alias
path: appkit/nscollectionviewtransitionlayout/animatedkey
---

# NSCollectionViewTransitionLayout.AnimatedKey

## Declaration

```swift
typealias AnimatedKey = String
```

## See Also

### Updating the Transition Information

- [transitionProgress](appkit/nscollectionviewtransitionlayout/transitionprogress.md)
- [updateValue(_:forAnimatedKey:)](appkit/nscollectionviewtransitionlayout/updatevalue(_:foranimatedkey:).md)
- [value(forAnimatedKey:)](appkit/nscollectionviewtransitionlayout/value(foranimatedkey:).md)