---
title: delegate
framework: watchkit
role: symbol
role_heading: Instance Property
path: watchkit/wkapplication/delegate
---

# delegate

The delegate of the WatchKit app object.

## Declaration

```swift
weak var delegate: (any WKApplicationDelegate)? { get }
```

## Discussion

Discussion The delegate object is an object that conforms to the WKApplicationDelegate protocol. You provide the delegate object and use it to manage lifecycle events in your extension. Providing a delegate object is required if your extension supports actionable notifications or Handoff behaviors. For more information about the methods of the delegate object, see WKApplicationDelegate.

## See Also

### Accessing the app delegate

- [WKApplicationDelegate](watchkit/wkapplicationdelegate.md)