---
title: read
framework: authenticationservices
role: symbol
role_heading: Type Property
path: authenticationservices/asauthorizationpublickeycredentiallargeblobassertioninput-swift.struct/read
---

# read

An operation to read the existing blob value.

## Declaration

```swift
static var read: ASAuthorizationPublicKeyCredentialLargeBlobAssertionInput { get }
```

## See Also

### Using assertion inputs

- [write(_:)](authenticationservices/asauthorizationpublickeycredentiallargeblobassertioninput-swift.struct/write(_:).md)