# BigBlueButton

{% hint style="info" %}
Not available from phone. Please use your computer, either [Web](https://organise.earth/) or [App](https://mattermost.com/download-b/)
{% endhint %}

It's very easy to use! just access to any Mattermost Channel or Direct Messages you want to start a meeting with and click this icon on the upper right corner:

![](/files/-M6_VgNML_TsxLJwiv3a)

The meeting room is very user friendly and displays a welcome board. But if you want to know more and take all the potential, just visit their official [Tutorial Videos](https://bigbluebutton.org/html5/).


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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://xrbcn.gitbook.io/rebelhub/en-1/orginse.earth/mattermost/bbb.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.