---
title: relyingPartyIdentifier
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/relyingpartyidentifier
---

# relyingPartyIdentifier

The domain name of the service to authorize against.

## Declaration

```swift
var relyingPartyIdentifier: String { get }
```

## See Also

### Creating the request

- [createCredentialAssertionRequest(challenge:)](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/createcredentialassertionrequest(challenge:).md)
- [createCredentialRegistrationRequest(challenge:displayName:name:userID:)](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/createcredentialregistrationrequest(challenge:displayname:name:userid:).md)