---
title: "init(hmacCredentials:largeBlob:)"
framework: authenticationservices
role: symbol
role_heading: Initializer
path: "authenticationservices/asimportablefido2extensions/init(hmaccredentials:largeblob:)"
---

# init(hmacCredentials:largeBlob:)

## Declaration

```swift
init(hmacCredentials: ASImportableFIDO2HMACCredential? = nil, largeBlob: ASImportableFIDO2LargeBlob? = nil)
```