---
title: IOUSBHostDefaultControlCompletionTimeout
framework: iousbhost
role: symbol
role_heading: Global Variable
path: iousbhost/iousbhostdefaultcontrolcompletiontimeout
---

# IOUSBHostDefaultControlCompletionTimeout

The default completion timeout for input/output requests.

## Declaration

```swift
let IOUSBHostDefaultControlCompletionTimeout: TimeInterval
```

## See Also

### Sending Device Requests

- [IOUSBHostDeviceRequestType(_:_:_:)](iousbhost/iousbhostdevicerequesttype(_:_:_:).md)