---
title: "init(credentialID:relyingPartyIdentifier:userName:userDisplayName:userHandle:key:fido2Extensions:)"
framework: authenticationservices
role: symbol
role_heading: Initializer
path: "authenticationservices/asimportablecredential/passkey/init(credentialid:relyingpartyidentifier:username:userdisplayname:userhandle:key:fido2extensions:)"
---

# init(credentialID:relyingPartyIdentifier:userName:userDisplayName:userHandle:key:fido2Extensions:)

## Declaration

```swift
init(credentialID: Data, relyingPartyIdentifier: String, userName: String, userDisplayName: String, userHandle: Data, key: Data, fido2Extensions: ASImportableFIDO2Extensions?)
```