# 获取值 (Get value)

此node允许您从此处输入的元素中获取值，您需要为此设置一个导出变量。仅获取  或  或  标签的价值。如果您想获取其他标签的价值，可以使用获取属性值node。

<figure><img src="/files/IlRyB63FD9a9v5d4oriI" alt=""><figcaption></figcaption></figure>

<table><thead><tr><th width="258">参数</th><th>说明</th></tr></thead><tbody><tr><td>Select element</td><td>输入要获取价值的元素的 CSS 选择器</td></tr><tr><td>Element order</td><td>根据元素在页面上出现的顺序选择元素</td></tr><tr><td>Output variable</td><td>将提取的值保存到变量中</td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.