---
title: contactIdentifier
framework: callkit
role: symbol
role_heading: Instance Property
path: callkit/cxstartcallaction/contactidentifier
---

# contactIdentifier

The identifier for the call recipient.

## Declaration

```swift
var contactIdentifier: String? { get set }
```

## Discussion

Discussion The identifier is displayed in the native call UI, and is typically the name of the call recipient. If a caller corresponds to a CNContact object, set this to the value of the identifier property of the contact.

## See Also

### Accessing Action Attributes

- [isVideo](callkit/cxstartcallaction/isvideo.md)
- [handle](callkit/cxstartcallaction/handle.md)