> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify-docs-automation-github-pr-review.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# 可展开项

> 使用可展开组件在 API 文档中切换嵌套对象属性的显示，展示请求和响应对象的子字段。

使用可展开项在响应字段中显示或隐藏嵌套内容。它们对在 API 文档中展示复杂对象属性尤其有用。

<ResponseField name="user" type="User Object">
  <Expandable title="properties">
    <ResponseField name="full_name" type="string">
      用户的全名
    </ResponseField>

    <ResponseField name="is_over_21" type="boolean">
      用户是否已满 21 岁
    </ResponseField>
  </Expandable>
</ResponseField>

```mdx Expandable example theme={null}
<ResponseField name="user" type="User Object">
  <Expandable title="properties">
    <ResponseField name="full_name" type="string">
      用户的全名
    </ResponseField>

    <ResponseField name="is_over_21" type="boolean">
      用户是否已满 21 岁
    </ResponseField>
  </Expandable>
</ResponseField>
```

<div id="properties">
  ## 属性
</div>

<ResponseField name="title" type="string">
  正在显示的对象名称。
</ResponseField>

<ResponseField name="defaultOpen" type="boolean" default="false">
  设为 `true`，使展开项在页面加载时默认打开。
</ResponseField>