---
title: frReqCount
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/iousblowlatencyisocframe/1425652-frreqcount
---

# frReqCount

Input specifiying how many bytes to read or write.

## Declaration

```occ
UInt16 frReqCount;
```

## See Also

### Fields

- [frStatus](1425755-frstatus.md)
- [frActCount](1426008-fractcount.md)
- [frTimeStamp](1426222-frtimestamp.md)