---
title: fileHandleForWriting
framework: virtualization
role: symbol
role_heading: Instance Property
path: virtualization/vzfilehandleserialportattachment/filehandleforwriting
---

# fileHandleForWriting

The file handle that the guest operating system uses to write data.

## Declaration

```swift
var fileHandleForWriting: FileHandle? { get }
```

## Discussion

Discussion When you want to receive data from the guest operating system, read data from the file handle in this property.

## See Also

### Getting the file handles

- [fileHandleForReading](virtualization/vzfilehandleserialportattachment/filehandleforreading.md)