---
title: ASAuthorizationPublicKeyCredentialLargeBlobRegistrationOutput
framework: authenticationservices
role: symbol
role_heading: Structure
path: authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationoutput-swift.struct
---

# ASAuthorizationPublicKeyCredentialLargeBlobRegistrationOutput

The result of the large binary object support check, resulting from a passkey registration response.

## Declaration

```swift
struct ASAuthorizationPublicKeyCredentialLargeBlobRegistrationOutput
```

## Overview

Overview This type indicates whether the passkey provider that manages the passkey supports the largeBlob extension. The design of this type mirrors the response in the WebAuthn specification.

## Topics

### Accessing output properties

- [isSupported](authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationoutput-swift.struct/issupported.md)

### Using defined support values

- [supported](authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationoutput-swift.struct/supported.md)
- [unsupported](authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationoutput-swift.struct/unsupported.md)

## See Also

### Inspecting properties

- [largeBlob](authenticationservices/aspasskeyregistrationcredentialextensionoutput-swift.struct/largeblob.md)
- [prf](authenticationservices/aspasskeyregistrationcredentialextensionoutput-swift.struct/prf.md)
- [ASAuthorizationPublicKeyCredentialPRFRegistrationOutput](authenticationservices/asauthorizationpublickeycredentialprfregistrationoutput-swift.struct.md)