---
title: sourceIdentifier
framework: accessorynotifications
role: symbol
role_heading: Instance Property
path: accessorynotifications/accessorynotification/identifier-swift.struct/sourceidentifier
---

# sourceIdentifier

The source app’s bundle identifier.

## Declaration

```swift
let sourceIdentifier: String
```

## Discussion

Discussion If Messages is the app that sends the notification, the value of this property is com.apple.MobileSMS.

## See Also

### Accessing identifier components

- [notificationIdentifier](accessorynotifications/accessorynotification/identifier-swift.struct/notificationidentifier.md)