---
title: NSViewAnimation.Key
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nsviewanimation/key
---

# NSViewAnimation.Key

The following string constants are keys for the dictionaries in the array passed into init(viewAnimations:) and viewAnimations.

## Declaration

```swift
struct Key
```

## Topics

### Keys

- [effect](appkit/nsviewanimation/key/effect.md)
- [endFrame](appkit/nsviewanimation/key/endframe.md)
- [startFrame](appkit/nsviewanimation/key/startframe.md)
- [target](appkit/nsviewanimation/key/target.md)

### Initializers

- [init(rawValue:)](appkit/nsviewanimation/key/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Getting and setting view-animation dictionaries

- [viewAnimations](appkit/nsviewanimation/viewanimations.md)
- [NSViewAnimation.EffectName](appkit/nsviewanimation/effectname.md)