# keywords A set of localized keywords that can help users find the activity in search results. ``` var keywords: Set { get set } ``` ## Discussion The default value of this property is `nil`. The system indexes the keywords you provide. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)