# ArkUI_StringAsyncEvent


## Overview

Defines a struct for the component callback event that uses string parameters.

**Since**: 12

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


## Summary


### Member Variables

| Name | Description | 
| -------- | -------- |
| const char \* [pStr](#pstr) | String. | 


## Member Variable Description


### pStr

```
const char* ArkUI_StringAsyncEvent::pStr
```
**Description**

String.