1# HiAppEvent_AppEventInfo 2 3<!--Kit: Performance Analysis Kit--> 4<!--Subsystem: HiviewDFX--> 5<!--Owner: @liujiaxing2024--> 6<!--SE: @junjie_shi--> 7<!--TSE: @gcw_KuLfPSbe--> 8 9## Overview 10 11Defines information about a single event, including the event domain, event name, event type, and custom parameter list in JSON string format. 12 13**Since**: 12 14 15**Related Module**: [HiAppEvent](capi-hiappevent.md) 16 17**Header File**: [hiappevent.h](capi-hiappevent-h.md) 18 19## Summary 20 21### Member Variables 22 23| Name | Description| 24|-------------------------------------------------------| -- | 25| const char* domain | Pointer to the event domain.| 26| const char* name | Pointer to the event name.| 27| enum [EventType](capi-hiappevent-h.md#eventtype) type | Event type.| 28| const char* params | Event parameter list in JSON format.| 29