---
title: posixName
framework: Collaboration
role: symbol
role_heading: Instance Property
platforms: [macOS 10.5+]
path: collaboration/cbidentity/posixname
---

# posixName

Returns the POSIX name of the identity.

## Declaration

```swift
var posixName: String { get }
```

## Return Value

Return Value The POSIX name of the identity.

## Discussion

Discussion The POSIX name is also referred to as the “short name” for an identity. It can only contain the characters A-Z, a-z, 0-9, -, _, ., and @.

## See Also

### Getting Identity Attributes

- [aliases](collaboration/cbidentity/aliases.md)
- [authority](collaboration/cbidentity/authority.md)
- [emailAddress](collaboration/cbidentity/emailaddress.md)
- [fullName](collaboration/cbidentity/fullname.md)
- [image](collaboration/cbidentity/image.md)
- [isHidden](collaboration/cbidentity/ishidden.md)
- [isMember(ofGroup:)](collaboration/cbidentity/ismember(ofgroup:).md)
- [uuidString](collaboration/cbidentity/uuidstring.md)