---
title: unknownPersonViewDelegate
framework: addressbookui
role: symbol
role_heading: Instance Property
path: addressbookui/abunknownpersonviewcontroller/unknownpersonviewdelegate
---

# unknownPersonViewDelegate

The unknown-person view controller delegate.

## Declaration

```swift
unowned(unsafe) var unknownPersonViewDelegate: (any ABUnknownPersonViewControllerDelegate)? { get set }
```

## Discussion

Discussion The delegate must adopt the ABUnknownPersonViewControllerDelegate protocol.

## See Also

### Responding to View Controller Interactions

- [ABUnknownPersonViewControllerDelegate](addressbookui/abunknownpersonviewcontrollerdelegate.md)