---
title: ASPasskeyAssertionCredentialExtensionOutput
framework: authenticationservices
role: symbol
role_heading: Structure
path: authenticationservices/aspasskeyassertioncredentialextensionoutput-swift.struct
---

# ASPasskeyAssertionCredentialExtensionOutput

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

## Declaration

```swift
struct ASPasskeyAssertionCredentialExtensionOutput
```

## Topics

### Creating an extension output instance

- [init(largeBlob:prf:)](authenticationservices/aspasskeyassertioncredentialextensionoutput-swift.struct/init(largeblob:prf:).md)

### Inspecting properties

- [largeBlob](authenticationservices/aspasskeyassertioncredentialextensionoutput-swift.struct/largeblob.md)
- [ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput](authenticationservices/asauthorizationpublickeycredentiallargeblobassertionoutput-swift.struct.md)
- [prf](authenticationservices/aspasskeyassertioncredentialextensionoutput-swift.struct/prf.md)
- [ASAuthorizationPublicKeyCredentialPRFAssertionOutput](authenticationservices/asauthorizationpublickeycredentialprfassertionoutput-swift.struct.md)

## See Also

### Accessing extension output

- [extensionOutput](authenticationservices/aspasskeyassertioncredential/extensionoutput-7t6rn.md)