---
title: categories
framework: Device Activity
role: symbol
role_heading: Instance Property
platforms: [iOS 15.0+, iPadOS 15.0+, Mac Catalyst 15.0+]
path: deviceactivity/deviceactivityevent/categories
---

# categories

The categories that the event includes.

## Declaration

```swift
var categories: Set<ActivityCategoryToken> { get }
```

## See Also

### Including Objects in an Event

- [applications](deviceactivity/deviceactivityevent/applications.md)
- [webDomains](deviceactivity/deviceactivityevent/webdomains.md)
- [threshold](deviceactivity/deviceactivityevent/threshold.md)