---
title: AVDisplayManagerModeSwitchStart
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/nsnotification/name-swift.struct/avdisplaymanagermodeswitchstart
---

# AVDisplayManagerModeSwitchStart

A notification the display manager posts when a display begins a mode switch.

## Declaration

```swift
static let AVDisplayManagerModeSwitchStart: NSNotification.Name
```

## See Also

### AVKit

- [AVDisplayManagerModeSwitchSettingsChanged](foundation/nsnotification/name-swift.struct/avdisplaymanagermodeswitchsettingschanged.md)
- [AVDisplayManagerModeSwitchEnd](foundation/nsnotification/name-swift.struct/avdisplaymanagermodeswitchend.md)