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

# relyingPartyIdentifier

The relying party that issues the challenge.

## Declaration

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

## See Also

### Viewing credential request parameters

- [allowedCredentials](authenticationservices/aspasskeycredentialrequestparameters/allowedcredentials.md)
- [clientDataHash](authenticationservices/aspasskeycredentialrequestparameters/clientdatahash.md)
- [userVerificationPreference](authenticationservices/aspasskeycredentialrequestparameters/userverificationpreference.md)