---
title: "ASPasskeyCredentialExtensionInput.registration(_:)"
framework: authenticationservices
role: symbol
role_heading: Case
path: "authenticationservices/aspasskeycredentialextensioninput/registration(_:)"
---

# ASPasskeyCredentialExtensionInput.registration(_:)

An extension input for a registration.

## Declaration

```swift
case registration(ASPasskeyRegistrationCredentialExtensionInput)
```

## See Also

### Extension input types

- [ASPasskeyCredentialExtensionInput.none](authenticationservices/aspasskeycredentialextensioninput/none.md)
- [ASPasskeyCredentialExtensionInput.assertion(_:)](authenticationservices/aspasskeycredentialextensioninput/assertion(_:).md)
- [ASPasskeyAssertionCredentialExtensionInput](authenticationservices/aspasskeyassertioncredentialextensioninput-swift.struct.md)
- [ASPasskeyRegistrationCredentialExtensionInput](authenticationservices/aspasskeyregistrationcredentialextensioninput-swift.struct.md)