---
title: proximityStateDidChange
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/proximitystatedidchange
---

# proximityStateDidChange

## Declaration

```swift
static var proximityStateDidChange: NotificationCenter.BaseMessageIdentifier<UIDevice.ProximityStateDidChangeMessage> { get }
```

## See Also

### Identifying UIKIt device messages

- [batteryLevelDidChange](foundation/notificationcenter/messageidentifier/batteryleveldidchange.md)
- [batteryStateDidChange](foundation/notificationcenter/messageidentifier/batterystatedidchange.md)
- [orientationDidChange](foundation/notificationcenter/messageidentifier/orientationdidchange.md)