---
title: supportRequirement
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationinput-swift.struct/supportrequirement-swift.property
---

# supportRequirement

A type that represents the level of support required for the large binary object passkey extension.

## Declaration

```swift
var supportRequirement: ASAuthorizationPublicKeyCredentialLargeBlobRegistrationInput.SupportRequirement
```

## See Also

### Determining binary large object support

- [ASAuthorizationPublicKeyCredentialLargeBlobRegistrationInput.SupportRequirement](authenticationservices/asauthorizationpublickeycredentiallargeblobregistrationinput-swift.struct/supportrequirement-swift.enum.md)