---
title: "read(data:)"
framework: authenticationservices
role: symbol
role_heading: Type Method
path: "authenticationservices/asauthorizationpublickeycredentiallargeblobassertionoutput-swift.struct/read(data:)"
---

# read(data:)

## Declaration

```swift
static func read(data: Data?) -> ASAuthorizationPublicKeyCredentialLargeBlobAssertionOutput
```