---
title: topOrigin
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspublickeycredentialclientdata-swift.struct/toporigin
---

# topOrigin

## Declaration

```swift
var topOrigin: String?
```

## See Also

### Instance Properties

- [challenge](authenticationservices/aspublickeycredentialclientdata-swift.struct/challenge.md)
- [crossOrigin](authenticationservices/aspublickeycredentialclientdata-swift.struct/crossorigin.md)
- [origin](authenticationservices/aspublickeycredentialclientdata-swift.struct/origin.md)