---
title: "intervalWillEndWarning(for:)"
framework: Device Activity
role: symbol
role_heading: Instance Method
platforms: [iOS 15.0+, iPadOS 15.0+, Mac Catalyst 15.0+]
path: "deviceactivity/deviceactivitymonitor/intervalwillendwarning(for:)"
---

# intervalWillEndWarning(for:)

Warns your app of an ongoing activity’s conclusion a specified time before the activity ends.

## Declaration

```swift
func intervalWillEndWarning(for activity: DeviceActivityName)
```

## Parameters

- `activity`: The name of the activity.

## Discussion

Discussion When an activity is about to end, intervalWillEndWarning warns your app extension of the concluding activity.

## See Also

### Monitoring Scheduled Intervals

- [intervalDidEnd(for:)](deviceactivity/deviceactivitymonitor/intervaldidend(for:).md)
- [intervalDidStart(for:)](deviceactivity/deviceactivitymonitor/intervaldidstart(for:).md)
- [intervalWillStartWarning(for:)](deviceactivity/deviceactivitymonitor/intervalwillstartwarning(for:).md)