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# CNChangeHistoryAddGroupEvent

An object that represents a user adding a group.

```
class CNChangeHistoryAddGroupEvent
```

## Topics

### Getting event details

[`group`](/documentation/Contacts/CNChangeHistoryAddGroupEvent/group)

The group the user added.

[`containerIdentifier`](/documentation/Contacts/CNChangeHistoryAddGroupEvent/containerIdentifier)

A string that uniquely identifies the container where the user added the group.

## Relationships

### Conforms To

[`NSCopying`](/documentation/Foundation/NSCopying)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSSecureCoding`](/documentation/Foundation/NSSecureCoding)

### Inherits From

[`CNChangeHistoryEvent`](/documentation/Contacts/CNChangeHistoryEvent)

---

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