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# ASPasskeyCredentialExtensionInput

A type for WebAuthn extension inputs.

```
enum ASPasskeyCredentialExtensionInput
```

## Topics

### Extension input types

[`case none`](/documentation/AuthenticationServices/ASPasskeyCredentialExtensionInput/none)

An empty extension input.

[`case assertion(ASPasskeyAssertionCredentialExtensionInput)`](/documentation/AuthenticationServices/ASPasskeyCredentialExtensionInput/assertion(_:))

An extension input for an assertion.

[`struct ASPasskeyAssertionCredentialExtensionInput`](/documentation/AuthenticationServices/ASPasskeyAssertionCredentialExtensionInput-swift.struct)

A type that encapsulates input for various WebAuthn extensions during passkey assertion.

[`case registration(ASPasskeyRegistrationCredentialExtensionInput)`](/documentation/AuthenticationServices/ASPasskeyCredentialExtensionInput/registration(_:))

An extension input for a registration.

[`struct ASPasskeyRegistrationCredentialExtensionInput`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredentialExtensionInput-swift.struct)

A type that encapsulates input for various WebAuthn extensions during passkey registration.


---

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