---
title: ENActivityHandler
framework: exposurenotification
role: symbol
role_heading: Type Alias
path: exposurenotification/enactivityhandler
---

# ENActivityHandler

The handler the system invokes to report activities that occurred while the app wasn’t running.

## Declaration

```swift
typealias ENActivityHandler = (ENActivityFlags) -> Void
```

## Parameters

- `activityFlags`: The flags indicating what activity occured while the app wasn’t running.

## See Also

### Activating the Manager

- [activate(completionHandler:)](exposurenotification/enmanager/activate(completionhandler:).md)
- [activityHandler](exposurenotification/enmanager/activityhandler.md)
- [ENActivityFlags](exposurenotification/enactivityflags.md)
- [setExposureNotificationEnabled(_:completionHandler:)](exposurenotification/enmanager/setexposurenotificationenabled(_:completionhandler:).md)