> For the complete documentation index, see [llms.txt](https://yudu-sentinel.gitbook.io/sentinel-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yudu-sentinel.gitbook.io/sentinel-documentation/readme.md).

# 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>

***

{% columns %}
{% 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 %}

{% column %}
**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 %}