---
title: largeBlob
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspasskeyassertioncredentialextensionoutput-swift.struct/largeblob
---

# largeBlob

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

## Declaration

```swift
var largeBlob: ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput? { get }
```

## See Also

### Inspecting properties

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