---
title: willResignActive
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/willresignactive-4rf2p
---

# willResignActive

## Declaration

```swift
static var willResignActive: NotificationCenter.BaseMessageIdentifier<UIApplication.WillResignActiveMessage> { get }
```

## See Also

### Identifying UIKit app life cycle messages

- [didFinishLaunching](foundation/notificationcenter/messageidentifier/didfinishlaunching.md)
- [didBecomeActive](foundation/notificationcenter/messageidentifier/didbecomeactive-2hcfs.md)
- [didEnterBackground](foundation/notificationcenter/messageidentifier/didenterbackground-1u5sm.md)
- [willEnterForeground](foundation/notificationcenter/messageidentifier/willenterforeground-95zi8.md)
- [didReceiveMemoryWarning](foundation/notificationcenter/messageidentifier/didreceivememorywarning.md)
- [significantTimeChange](foundation/notificationcenter/messageidentifier/significanttimechange.md)
- [backgroundRefreshStatusDidChange](foundation/notificationcenter/messageidentifier/backgroundrefreshstatusdidchange.md)
- [userDidTakeScreenshot](foundation/notificationcenter/messageidentifier/userdidtakescreenshot.md)