# Welcome

Welcome to the **YUDU Sentinel** Documentation. Here you will find detailed information of all the features on offer to provide you with a secure out-of-band communication platform. 

If you require further assistance you can contact the YUDU Sentinel [Support Team](mailto::support@yudu.com) 

### Jump right in

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="image">Cover image</th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><h4><i class="fa-layer-group" style="color:$primary;">:layer-group:</i></h4></td><td><a href="/pages/gWzcAnIWAKZIhRTJYAAC"><strong>Spaces</strong></a></td><td>Create work spaces</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-globe-pointer" style="color:$info;">:globe-pointer:</i></h4></td><td><a href="/pages/5M4fgjZrMumI9Rqn4Kk4"><strong>Documents</strong></a></td><td>Publish secure documents</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-wand-sparkles" style="color:red;">:wand-sparkles:</i></h4></td><td><a href="/pages/MQCA9TozOq5ikjc98v48"><strong>Import Wizard</strong></a></td><td>Bulk Import resources</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-phone-arrow-up-right" style="color:$info;">:phone-arrow-up-right:</i></h4></td><td><a href="/pages/yfQgMqHhDPHEgOYz1IzV"><strong>Hotline</strong></a></td><td>Setup Incident Hotline</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-video" style="color:green;">:video:</i></h4></td><td><a href="/pages/vCAm4RKX1l1Cfqgg3QRs"><strong>Video Conference</strong></a></td><td>Join a video call</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-comments" style="color:yellow;">:comments:</i></h4></td><td><a href="/pages/Lc72ZXOhdO4BvnKf5nx7"><strong>Chat</strong> </a></td><td>Manage channels</td><td></td><td></td><td></td></tr></tbody></table>

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{% column valign="middle" %}
**Essentials**

* [Create Users](/sentinel-documentation/system-administration/system-users/create-user.md)
* [Access Permissions](/sentinel-documentation/system-administration/permissions.md)
* [System Settings](/sentinel-documentation/system-administration/system-settings.md)
* [Activity Log](/sentinel-documentation/system-administration/activity-log.md)
* [Mass Notification](/sentinel-documentation/spaces/mass-notification.md)
  {% endcolumn %}

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**Popular Topics**

* [Spaces](/sentinel-documentation/spaces/dashboard.md)
* [Video Conference](/sentinel-documentation/spaces/video-conference.md)
* [Chat Channels](/sentinel-documentation/spaces/chat-channels.md)
* [Import Wizard](/sentinel-documentation/system-administration/import-wizard.md)
* [Security](/sentinel-documentation/system-administration/system-users/user-profile/security.md)
  {% endcolumn %}
  {% endcolumns %}


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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://yudu-sentinel.gitbook.io/sentinel-documentation/readme.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.