# Shared Sessions Surveys

Shared sessions surveys are specialized surveys that will allow multiple respondents to collaborate on the same survey dataset. Using shared surveys you can deploy one single form as a session to multiple respondents and each of the respondent will be get notified and see in real time all changes done by the other respondents on the survey data. 

Here an example of a form that is shared by two different respondents on two different locations.

<figure><img src="/files/UtKG9GxD3tnBcGISTOpY" alt=""><figcaption></figcaption></figure>

In shared sessions surveys there is no submit button or end page as the data collection process is linked to a session and is never ending until the session is live.&#x20;

To prevent concurrent issues while the respondents are editing the survey data any answer being edited by the respondent is locked for all other respondents connected to the session.

{% hint style="danger" %}
To use shared sessions make sure that your firewall allows web socket based communication and if you are using IIS or Azure to enable web sockets on your installation.
{% endhint %}


---

# 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/shared-sessions-surveys.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.