# HiAppEvent_Watcher

<!--Kit: Performance Analysis Kit-->
<!--Subsystem: HiviewDFX-->
<!--Owner: @liujiaxing2024-->
<!--SE: @junjie_shi-->
<!--TSE: @gcw_KuLfPSbe-->

## Overview

Defines the watcher for application events.

**Since**: 12

**Related Module**: [HiAppEvent](capi-hiappevent.md)

**Header File**: [hiappevent.h](capi-hiappevent-h.md)