---
title: foreverDuration
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsevent/foreverduration
---

# foreverDuration

The longest time duration possible.

## Declaration

```swift
class var foreverDuration: TimeInterval { get }
```

## See Also

### Getting general event information

- [locationInWindow](appkit/nsevent/locationinwindow.md)
- [timestamp](appkit/nsevent/timestamp.md)
- [window](appkit/nsevent/window.md)
- [windowNumber](appkit/nsevent/windownumber.md)
- [eventRef](appkit/nsevent/eventref.md)
- [cgEvent](appkit/nsevent/cgevent.md)