---
title: NSObservationTrackingEnabled
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nsobservationtrackingenabled
---

# NSObservationTrackingEnabled

A Boolean value that indicates whether the system automatically tracks changes to observable objects in macOS 15.

## Discussion

Discussion In macOS 15, add this key to your information property list and set the value to YES to tell the system to automatically track changes to observable objects. In macOS 26 and later, this key isn’t required. The system automatically tracks changes to observable objects.

## See Also

### Automatic observation tracking

- [UIObservationTrackingEnabled](bundleresources/information-property-list/uiobservationtrackingenabled.md)