---
title: kCFURLIsAliasFileKey
framework: corefoundation
role: symbol
role_heading: Global Variable
path: corefoundation/kcfurlisaliasfilekey
---

# kCFURLIsAliasFileKey

Key for determining whether the file is an alias, returned as a CFBoolean object.

## Declaration

```swift
let kCFURLIsAliasFileKey: CFString!
```

## See Also

### Constants

- [kCFURLFileAllocatedSizeKey](corefoundation/kcfurlfileallocatedsizekey.md)
- [kCFURLFileSizeKey](corefoundation/kcfurlfilesizekey.md)
- [kCFURLIsMountTriggerKey](corefoundation/kcfurlismounttriggerkey.md)
- [kCFURLTotalFileAllocatedSizeKey](corefoundation/kcfurltotalfileallocatedsizekey.md)
- [kCFURLTotalFileSizeKey](corefoundation/kcfurltotalfilesizekey.md)