---
title: CAMetalDisplayLink.Update
framework: quartzcore
role: symbol
role_heading: Class
path: quartzcore/cametaldisplaylink/update
---

# CAMetalDisplayLink.Update

Stores information about a single update from a Metal display link instance.

## Declaration

```swift
class Update
```

## Topics

### Timing the Next Animation Frame

- [targetPresentationTimestamp](quartzcore/cametaldisplaylink/update/targetpresentationtimestamp.md)

### Drawing the Next Frame

- [targetTimestamp](quartzcore/cametaldisplaylink/update/targettimestamp.md)
- [drawable](quartzcore/cametaldisplaylink/update/drawable.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Animation Timing

- [CACurrentMediaTime()](quartzcore/cacurrentmediatime().md)
- [CAMediaTimingFunction](quartzcore/camediatimingfunction.md)
- [CAMediaTiming](quartzcore/camediatiming.md)
- [CADisplayLink](quartzcore/cadisplaylink.md)
- [CAMetalDisplayLink](quartzcore/cametaldisplaylink.md)
- [CAMetalDisplayLinkDelegate](quartzcore/cametaldisplaylinkdelegate.md)