1# ArkUI_NodeComponentEvent
2
3
4## Overview
5
6Defines a struct for the component callback event.
7
8**Since**: 12
9
10**Related module**: [ArkUI_NativeModule](_ark_u_i___native_module.md)
11
12
13## Summary
14
15
16### Member Variables
17
18| Name | Description |
19| -------- | -------- |
20| [ArkUI_NumberValue](union_ark_u_i___number_value.md) [data](#data) [MAX_COMPONENT_EVENT_ARG_NUM] | Data array object. |
21
22
23## Member Variable Description
24
25
26### data
27
28```
29ArkUI_NumberValue ArkUI_NodeComponentEvent::data[MAX_COMPONENT_EVENT_ARG_NUM]
30```
31**Description**
32
33Data array object.
34