---
title: CNMutableGroup
framework: contacts
role: symbol
role_heading: Class
path: contacts/cnmutablegroup
---

# CNMutableGroup

A mutable object that represents a group of contacts.

## Declaration

```swift
class CNMutableGroup
```

## Overview

Overview Contacts may be members of one or more groups, depending upon the accounts they come from. The CNMutableGroup class is not a thread-safe class.

## Topics

### Modifying the Group Name

- [name](contacts/cnmutablegroup/name.md)

## Relationships

### Inherits From

- [CNGroup](contacts/cngroup.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)
- [NSMutableCopying](foundation/nsmutablecopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Groups and Containers

- [CNGroup](contacts/cngroup.md)
- [CNContainer](contacts/cncontainer.md)