---
title: largeBlob
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/largeblob-9kvvl
---

# largeBlob

The request’s binary large object value.

## Declaration

```swift
var largeBlob: ASAuthorizationPublicKeyCredentialLargeBlobAssertionInput? { get set }
```

## See Also

### Accessing request properties

- [allowedCredentials](authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/allowedcredentials.md)
- [prf](authenticationservices/asauthorizationplatformpublickeycredentialassertionrequest/prf-47uoa.md)