---
title: didBecomeVisible
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/didbecomevisible
---

# didBecomeVisible

## Declaration

```swift
static var didBecomeVisible: NotificationCenter.BaseMessageIdentifier<UIWindow.DidBecomeVisibleMessage> { get }
```

## See Also

### Identifying UIKit view controller messages

- [didBecomeHidden](foundation/notificationcenter/messageidentifier/didbecomehidden.md)
- [showDetailTargetDidChange](foundation/notificationcenter/messageidentifier/showdetailtargetdidchange.md)