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# ASPasskeyAssertionCredentialExtensionOutput

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

```
struct ASPasskeyAssertionCredentialExtensionOutput
```

## Topics

### Creating an extension output instance

[`init(largeBlob:prf:)`](/documentation/AuthenticationServices/ASPasskeyAssertionCredentialExtensionOutput-swift.struct/init(largeBlob:prf:))

Creates an extension output instance.

### Inspecting properties

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

The output for a large binary object operation during passkey assertion.

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

A type to represent the output of the requested large binary object operation, which returns in a passkey sign-in
response.

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

The outputs of the WebAuthn PRF extension in passkey assertion requests.

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

A type to represent outputs of the web authentication PRF extension, when requesting them during an assertion.


---

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