---
title: supportRequired
framework: authenticationservices
role: symbol
role_heading: Type Property
path: authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationinput-swift.struct/supportrequired
---

# supportRequired

A value that indicates the app requires large binary object support.

## Declaration

```swift
static var supportRequired: ASAuthorizationPublicKeyCredentialLargeBlobRegistrationInput { get }
```

## See Also

### Using defined support values

- [supportPreferred](authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationinput-swift.struct/supportpreferred.md)