---
title: CSActionIdentifier
framework: corespotlight
role: symbol
role_heading: Global Variable
path: corespotlight/csactionidentifier
---

# CSActionIdentifier

A key that specifies the action’s identifier in a user activity.

## Declaration

```swift
let CSActionIdentifier: String
```

## Discussion

Discussion When the user selects a custom action on an indexed item, the system launches your app and invokes application(_:continue:restorationHandler:). The userInfo dictionary of the specified NSUserActivity includes the corresponding Info.plist using this key.

## See Also

### Describing supporting actions

- [actionIdentifiers](corespotlight/cssearchableitemattributeset/actionidentifiers.md)
- [supportsNavigation](corespotlight/cssearchableitemattributeset/supportsnavigation.md)
- [supportsPhoneCall](corespotlight/cssearchableitemattributeset/supportsphonecall.md)
- [sharedItemContentType](corespotlight/cssearchableitemattributeset/shareditemcontenttype.md)