* **[自定义扩展能力概述](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-user-defined-modifier)**
* **[内容修改器 (ContentModifier)](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-common-attributes-content-modifier)**
* **[属性修改器 (AttributeModifier)](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-user-defined-extension-attributemodifier)**
* **[属性更新器 (AttributeUpdater)](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-user-defined-extension-attributeupdater)**