---
title: userID
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationaccountcreationplatformpublickeycredentialrequest/userid
---

# userID

A stable, opaque identifier for the created account. This will be saved as the userID for the created passkey.

## Declaration

```swift
final let userID: Data
```