---
title: data0
framework: iousbhost
role: symbol
role_heading: Instance Property
path: iousbhost/iousbhostcimessage/data0
---

# data0

## Declaration

```swift
var data0: UInt32
```

## See Also

### Instance Properties

- [control](iousbhost/iousbhostcimessage/control.md)
- [data1](iousbhost/iousbhostcimessage/data1.md)