# ArkUI_NodeComponentEvent


## Overview

Defines a struct for the component callback event.

**Since**: 12

**Related module**: [ArkUI_NativeModule](_ark_u_i___native_module.md)


## Summary


### Member Variables

| Name | Description | 
| -------- | -------- |
| [ArkUI_NumberValue](union_ark_u_i___number_value.md) [data](#data) [MAX_COMPONENT_EVENT_ARG_NUM] | Data array object. | 


## Member Variable Description


### data

```
ArkUI_NumberValue ArkUI_NodeComponentEvent::data[MAX_COMPONENT_EVENT_ARG_NUM]
```
**Description**

Data array object.