# QR Code

## 🔢 What is QR code

A QR code is small image that can be read by mobile phones devices. Once the code is read by the device your survey will be opened on that device. You can use QR code image to distribute your survey to mobile respondents.

To **download the QR code** image right click on the image and select **Save image as**.

{% hint style="info" %}
The QR code image updates itself automatically based the **web link field.** As such you could add as well a query string name / value pair to your survey link. 
{% endhint %}


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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:

```
GET https://docs.ngsurvey.com/form-management/publish-deploy/qr-code.md?ask=<question>
```

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.