---
title: timeStamp
framework: iousbhost
role: symbol
role_heading: Instance Property
path: iousbhost/iousbhostisochronousframe/timestamp
---

# timeStamp

The observed time for the frame’s completion.

## Declaration

```swift
var timeStamp: IOUSBHostTime
```

## Discussion

Discussion note: Interrupt latency and system load may result in more than one frame completing with the same timestamp.

## See Also

### Frame Structure

- [status](iousbhost/iousbhostisochronousframe/status.md)
- [requestCount](iousbhost/iousbhostisochronousframe/requestcount.md)
- [completeCount](iousbhost/iousbhostisochronousframe/completecount.md)