1# ArkUI_StringAsyncEvent
2
3
4## Overview
5
6Defines a struct for the component callback event that uses string parameters.
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| const char \* [pStr](#pstr) | String. |
21
22
23## Member Variable Description
24
25
26### pStr
27
28```
29const char* ArkUI_StringAsyncEvent::pStr
30```
31**Description**
32
33String.
34