---
title: willStartLiveScrollNotification
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsscrollview/willstartlivescrollnotification
---

# willStartLiveScrollNotification

Posted on the main thread at the beginning of user-initiated live scroll tracking (gesture scroll or scroller tracking, for example, thumb dragging).

## Declaration

```swift
class let willStartLiveScrollNotification: NSNotification.Name
```

## Discussion

Discussion The notification object is the scroll view performing the scroll. To observe this notification using Swift concurrency, use NSScrollView.WillStartLiveScrollMessage.

## See Also

### Notifications

- [willStartLiveMagnifyNotification](appkit/nsscrollview/willstartlivemagnifynotification.md)
- [didEndLiveMagnifyNotification](appkit/nsscrollview/didendlivemagnifynotification.md)
- [didLiveScrollNotification](appkit/nsscrollview/didlivescrollnotification.md)
- [didEndLiveScrollNotification](appkit/nsscrollview/didendlivescrollnotification.md)