---
title: IOUSBHostAbortOption.asynchronous
framework: iousbhost
role: symbol
role_heading: Case
path: iousbhost/iousbhostabortoption/asynchronous
---

# IOUSBHostAbortOption.asynchronous

The option to abort input/output requests asynchronously.

## Declaration

```swift
case asynchronous
```

## See Also

### Options

- [IOUSBHostAbortOption.synchronous](iousbhost/iousbhostabortoption/synchronous.md)