# 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">:layer-group:</i></h4></td><td><a href="system-administration/space-management"><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">:globe-pointer:</i></h4></td><td><a href="system-administration/document-drm"><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">:wand-sparkles:</i></h4></td><td><a href="system-administration/import-wizard"><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">:phone-arrow-up-right:</i></h4></td><td><a href="spaces/hotline"><strong>Hotline</strong></a></td><td>Setup Incident Hotline</td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-video">:video:</i></h4></td><td><a href="spaces/video-conference"><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">:comments:</i></h4></td><td><a href="spaces/chat-channels"><strong>Chat</strong> </a></td><td>Manage channels</td><td></td><td></td><td></td></tr></tbody></table>

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**Essentials**

* [Create Users](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/system-users/create-user)
* [Access Permissions](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/permissions)
* [System Settings](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/system-settings)
* [Activity Log](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/activity-log)
* [Mass Notification](https://yudu-sentinel.gitbook.io/sentinel-documentation/spaces/mass-notification)
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**Popular Topics**

* [Spaces](https://yudu-sentinel.gitbook.io/sentinel-documentation/spaces)
* [Video Conference](https://yudu-sentinel.gitbook.io/sentinel-documentation/spaces/video-conference)
* [Chat Channels](https://yudu-sentinel.gitbook.io/sentinel-documentation/spaces/chat-channels)
* [Import Wizard](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/import-wizard)
* [Security](https://yudu-sentinel.gitbook.io/sentinel-documentation/system-administration/system-users/user-profile/security)
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