---
title: "createCredentialRegistrationRequest(challenge:name:userID:requestStyle:)"
framework: authenticationservices
role: symbol
role_heading: Instance Method
path: "authenticationservices/asauthorizationplatformpublickeycredentialprovider/createcredentialregistrationrequest(challenge:name:userid:requeststyle:)"
---

# createCredentialRegistrationRequest(challenge:name:userID:requestStyle:)

## Declaration

```swift
func createCredentialRegistrationRequest(challenge: Data, name: String, userID: Data, requestStyle: ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest.RequestStyle) -> ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest
```

## Parameters

- `challenge`: The challenge to sign.
- `name`: The user name for the new credential.
- `userID`: An identifier to be stored alongside the credential, which will be returned with the credential when it is used to authenticate.
- `requestStyle`: The style for this request.

## Discussion

Discussion Create a request to register a new platform credential.

## See Also

### Creating the request

- [relyingPartyIdentifier](authenticationservices/asauthorizationplatformpublickeycredentialprovider/relyingpartyidentifier.md)
- [createCredentialAssertionRequest(challenge:)](authenticationservices/asauthorizationplatformpublickeycredentialprovider/createcredentialassertionrequest(challenge:).md)
- [createCredentialRegistrationRequest(challenge:name:userID:)](authenticationservices/asauthorizationplatformpublickeycredentialprovider/createcredentialregistrationrequest(challenge:name:userid:).md)