---
title: keywords
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/nsuseractivity/keywords
---

# keywords

A set of localized keywords that can help users find the activity in search results.

## Declaration

```swift
var keywords: Set<String> { get set }
```

## Mentioned in

Creating a user activity object

## Discussion

Discussion The default value of this property is nil. The system indexes the keywords you provide.

## See Also

### Describing the activity

- [activityType](foundation/nsuseractivity/activitytype.md)
- [title](foundation/nsuseractivity/title.md)
- [persistentIdentifier](foundation/nsuseractivity/persistentidentifier.md)
- [NSUserActivityPersistentIdentifier](foundation/nsuseractivitypersistentidentifier.md)
- [contentAttributeSet](foundation/nsuseractivity/contentattributeset.md)