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

# relyingPartyIdentifier

The relying party identifier associated with the passkey.

## Declaration

```swift
var relyingPartyIdentifier: String
```

## See Also

### Accessing passkey properties

- [credentialID](authenticationservices/asimportablecredential/passkey/credentialid.md)
- [userName](authenticationservices/asimportablecredential/passkey/username.md)
- [userDisplayName](authenticationservices/asimportablecredential/passkey/userdisplayname.md)
- [userHandle](authenticationservices/asimportablecredential/passkey/userhandle.md)
- [key](authenticationservices/asimportablecredential/passkey/key.md)