

```
1. struct AbilityRuntime_ExtensionInstance
```

## 概述

PhonePC/2in1TabletTVWearable

定义AbilityRuntime\_ExtensionInstance结构体类型。

**起始版本：** 24

**相关模块：** [AbilityRuntime](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/capi-abilityruntime)

**所在头文件：** [extension\_ability.h](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/capi-extension-ability-h)