---
title: sourceAppIdentifier
framework: appmigrationkit
role: symbol
role_heading: Instance Property
path: appmigrationkit/resourcesimportrequest/sourceappidentifier
---

# sourceAppIdentifier

The application that exported the content.

## Declaration

```swift
let sourceAppIdentifier: MigrationAppIdentifier
```

## Discussion

Discussion Use this identifier to validate that the imported data comes from a trusted source.

## See Also

### Inspecting import request properties

- [MigrationAppIdentifier](appmigrationkit/migrationappidentifier.md)
- [sourceVersion](appmigrationkit/resourcesimportrequest/sourceversion.md)