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# ASPasskeyRegistrationCredential

A passkey registration credential.

```
class ASPasskeyRegistrationCredential
```

## Overview

Create a passkey registration credential to provide a response to a passkey registration request from your credential provider extension. Call [`completeRegistrationRequest(using:completionHandler:)`](/documentation/AuthenticationServices/ASCredentialProviderExtensionContext/completeRegistrationRequest(using:completionHandler:)), passing your passkey registration credential.

## Topics

### Creating a passkey registration credential

[`credentialWithRelyingParty:clientDataHash:credentialID:attestationObject:`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/credentialWithRelyingParty:clientDataHash:credentialID:attestationObject:)

Creates and initializes a new passkey registration credential.

[`init(relyingParty:clientDataHash:credentialID:attestationObject:)`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/init(relyingParty:clientDataHash:credentialID:attestationObject:))

Initializes a passkey registration credential object.

[`initWithRelyingParty:clientDataHash:credentialID:attestationObject:extensionOutput:`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/initWithRelyingParty:clientDataHash:credentialID:attestationObject:extensionOutput:)

Initializes a passkey registration credential object.

[`init(relyingParty:clientDataHash:credentialID:attestationObject:extensionOutput:)`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/init(relyingParty:clientDataHash:credentialID:attestationObject:extensionOutput:))

Initializes a passkey registration credential object.

### Accessing credential information

[`attestationObject`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/attestationObject)

The attestation object for this passkey.

[`clientDataHash`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/clientDataHash)

A hash of the client data for this credential.

[`credentialID`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/credentialID)

The identifier for this credential.

[`relyingParty`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/relyingParty)

The relying party associated with this passkey.

### Accessing extension output

[`extensionOutput`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/extensionOutput-95gvu)

An output from WebAuthn extensions.

[`ASPasskeyRegistrationCredentialExtensionOutput`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredentialExtensionOutput-c.class)

A class that encapsulates output for various WebAuthn extensions during passkey registration.

[`extensionOutput`](/documentation/AuthenticationServices/ASPasskeyRegistrationCredential/extensionOutput-2lf9m)

An output from WebAuthn extensions.

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

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


---

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