---
title: ABUnknownPersonViewControllerDelegate
framework: addressbookui
role: symbol
role_heading: Protocol
path: addressbookui/abunknownpersonviewcontrollerdelegate
---

# ABUnknownPersonViewControllerDelegate

The methods you use to respond to events in an unknown person view controller.

## Declaration

```swift
protocol ABUnknownPersonViewControllerDelegate : NSObjectProtocol
```

## Topics

### Responding to User Events

- [unknownPersonViewController(_:didResolveToPerson:)](addressbookui/abunknownpersonviewcontrollerdelegate/unknownpersonviewcontroller(_:didresolvetoperson:).md)
- [unknownPersonViewController(_:shouldPerformDefaultActionForPerson:property:identifier:)](addressbookui/abunknownpersonviewcontrollerdelegate/unknownpersonviewcontroller(_:shouldperformdefaultactionforperson:property:identifier:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Responding to View Controller Interactions

- [unknownPersonViewDelegate](addressbookui/abunknownpersonviewcontroller/unknownpersonviewdelegate.md)