---
title: async
framework: fskit
role: symbol
role_heading: Type Property
path: fskit/fscompleteioflags/async
---

# async

A flag that requests that the file system module flush metadata I/O asynchronously.

## Declaration

```swift
static var async: FSCompleteIOFlags { get }
```

## See Also

### Declaring I/O completion behaviors

- [read](fskit/fscompleteioflags/read.md)
- [write](fskit/fscompleteioflags/write.md)