---
title: didBecomeHidden
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/didbecomehidden
---

# didBecomeHidden

## Declaration

```swift
static var didBecomeHidden: NotificationCenter.BaseMessageIdentifier<UIWindow.DidBecomeHiddenMessage> { get }
```

## See Also

### Identifying UIKit view controller messages

- [didBecomeVisible](foundation/notificationcenter/messageidentifier/didbecomevisible.md)
- [showDetailTargetDidChange](foundation/notificationcenter/messageidentifier/showdetailtargetdidchange.md)