---
title: HKUpdateFrequency.immediate
framework: healthkit
role: symbol
role_heading: Case
path: healthkit/hkupdatefrequency/immediate
---

# HKUpdateFrequency.immediate

The system launches your app every time it detects a change.

## Declaration

```swift
case immediate
```

## See Also

### Constants

- [HKUpdateFrequency.hourly](healthkit/hkupdatefrequency/hourly.md)
- [HKUpdateFrequency.daily](healthkit/hkupdatefrequency/daily.md)
- [HKUpdateFrequency.weekly](healthkit/hkupdatefrequency/weekly.md)