---
title: data1
framework: iousbhost
role: symbol
role_heading: Instance Property
path: iousbhost/iousbhostcimessage/data1
---

# data1

## Declaration

```swift
var data1: UInt64
```

## See Also

### Instance Properties

- [control](iousbhost/iousbhostcimessage/control.md)
- [data0](iousbhost/iousbhostcimessage/data0.md)