---
title: sourceAppAuditToken
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nefilterflow/sourceappaudittoken
---

# sourceAppAuditToken

The audit token of the source application of the flow.

## Declaration

```swift
var sourceAppAuditToken: Data? { get }
```

## See Also

### Source app identification

- [sourceAppUniqueIdentifier](networkextension/nefilterflow/sourceappuniqueidentifier.md)
- [sourceAppIdentifier](networkextension/nefilterflow/sourceappidentifier.md)
- [sourceAppVersion](networkextension/nefilterflow/sourceappversion.md)
- [sourceProcessAuditToken](networkextension/nefilterflow/sourceprocessaudittoken.md)