---
title: requestCount
framework: iousbhost
role: symbol
role_heading: Instance Property
path: iousbhost/iousbhostisochronousframe/requestcount
---

# requestCount

The number of requested bytes to transfer for the frame.

## Declaration

```swift
var requestCount: UInt32
```

## Discussion

Discussion important: Initialize this field before submitting the structure.

## See Also

### Frame Structure

- [status](iousbhost/iousbhostisochronousframe/status.md)
- [completeCount](iousbhost/iousbhostisochronousframe/completecount.md)
- [timeStamp](iousbhost/iousbhostisochronousframe/timestamp.md)