---
title: CBUserIdentity
framework: Collaboration
role: symbol
role_heading: Class
platforms: [macOS 10.5+]
path: collaboration/cbuseridentity
---

# CBUserIdentity

An object of the CBUserIdentity class represents a user identity and is used for accessing the attributes of a user identity from an identity authority. The principal attributes of CBUserIdentity are a POSIX user identifier (UID), password, and certificate.

## Declaration

```swift
class CBUserIdentity
```

## Topics

### Password Authentication

- [authenticate(withPassword:)](collaboration/cbuseridentity/authenticate(withpassword:).md)
- [certificate](collaboration/cbuseridentity/certificate.md)
- [isEnabled](collaboration/cbuseridentity/isenabled.md)

### Using UIDs

- [posixUID](collaboration/cbuseridentity/posixuid.md)
- [init(posixUID:authority:)](collaboration/cbuseridentity/init(posixuid:authority:).md)

## Relationships

### Inherits From

- [CBIdentity](collaboration/cbidentity.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)