---
title: userPreferencesDidChange
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/userpreferencesdidchange
---

# userPreferencesDidChange

## Declaration

```swift
static var userPreferencesDidChange: NotificationCenter.BaseMessageIdentifier<HKHealthStore.HKUserPreferencesDidChangeMessage> { get }
```