---
title: timestamp
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/cadisplaylink/timestamp
---

# timestamp

The time interval that represents when the last frame displayed.

## Declaration

```swift
var timestamp: CFTimeInterval { get }
```

## Mentioned in

Optimizing iPhone and iPad apps to support ProMotion displays

## Discussion

Discussion If you need to calculate what to display next, use targetTimestamp instead.

## See Also

### Configuring a Display Link

- [duration](quartzcore/cadisplaylink/duration.md)
- [preferredFrameRateRange](quartzcore/cadisplaylink/preferredframeraterange.md)
- [preferredFramesPerSecond](quartzcore/cadisplaylink/preferredframespersecond.md)
- [isPaused](quartzcore/cadisplaylink/ispaused.md)
- [targetTimestamp](quartzcore/cadisplaylink/targettimestamp.md)
- [frameInterval](quartzcore/cadisplaylink/frameinterval.md)