---
title: ObservationTracked()
framework: Observation
role: symbol
role_heading: Macro
platforms: [iOS 17.0+, iPadOS 17.0+, Mac Catalyst 17.0+, macOS 14.0+, tvOS 17.0+, visionOS 1.0+, watchOS 10.0+]
path: observation/observationtracked()
---

# ObservationTracked()

Synthesizes a property for accessors.

## Declaration

```swift
@attached(accessor, names: named(init), named(get), named(set), named(_modify)) @attached(peer, names: prefixed(`_`)) macro ObservationTracked()
```

## Overview

Overview The Observation module uses this macro. Its use outside of the framework isn’t necessary.