> 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/basics/readme.md).

# System Modules

The sentinel system comprises of modules

{% hint style="info" %}
Some modules are enabled per system and may not be visible to you via the console.

Please contact the YUDU Sentinel [support team](mailto:something@address.com) to enable any missing modules. 
{% endhint %}

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><a href="/sentinel-documentation/spaces/chat-channels.md">Chat Channels</a></td><td><a href="/sentinel-documentation/spaces/chat-channels.md">Chat Channels</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FxGzx3EXBPotYHaeXorUR%2Fmessages-square%20(1).svg?alt=media&amp;token=17ec3648-1d9b-4433-96c3-f60f90393d87">messages-square (1).svg</a></td></tr><tr><td><a href="/sentinel-documentation/system-administration/document-drm.md">Documents </a></td><td><a href="/sentinel-documentation/system-administration/document-drm.md">Document (DRM)</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FEV1883wjwdo04pAq3asQ%2Ffolder-lock%20(1).svg?alt=media&amp;token=397db3f4-ed5e-483d-b759-4e65ad9ffdae">folder-lock (1).svg</a></td></tr><tr><td><a href="/sentinel-documentation/spaces/video-conference.md">Video Conference</a></td><td><a href="/sentinel-documentation/spaces/video-conference.md">Video Conference</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FMDVYEkEc51Lt3LBpJALJ%2Fvideo%20(1).svg?alt=media&amp;token=f5b9c37a-e79b-466f-a704-9a062c58cb3e">video (1).svg</a></td></tr><tr><td><a href="/sentinel-documentation/system-administration/registration.md">Registration</a></td><td><a href="/sentinel-documentation/system-administration/registration.md">Registration</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FfDTMCFWMWjmd5edGE9kq%2Ffile-user.svg?alt=media&amp;token=95fa7eea-5a0b-42c7-a994-4e714e58995d">file-user.svg</a></td></tr><tr><td><a href="/sentinel-documentation/spaces/hotline.md">Hotline</a></td><td><a href="/sentinel-documentation/spaces/hotline.md">Hotline</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2F1Pt4w76eu47UpngDEcx4%2Fphone-call.svg?alt=media&amp;token=b9d093ac-0b06-4b28-8b1f-d80f7ee5a0d4">phone-call.svg</a></td></tr><tr><td><a href="/sentinel-documentation/spaces/alertline.md">Alertline</a></td><td><a href="/sentinel-documentation/spaces/alertline.md">Alertline</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FoKtnMfIV3FSsciPLKIdq%2Fqr-code.svg?alt=media&amp;token=6bcd0f16-2647-4338-9343-65fb4983adff">qr-code.svg</a></td></tr><tr><td><a href="/sentinel-documentation/spaces/mass-notification.md">Mass Notification</a></td><td><a href="/sentinel-documentation/spaces/mass-notification.md">Mass Notification</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2Fk6OFADpYSSZKBwhE0rAJ%2Fradio-tower.svg?alt=media&amp;token=4423567d-30a0-4f87-a1c9-febf0a0d1c89">radio-tower.svg</a></td></tr><tr><td><a href="/sentinel-documentation/system-administration/import-wizard.md">Import Wizard</a></td><td><a href="/sentinel-documentation/system-administration/import-wizard.md">Import Wizard</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2F0XB4PAJQ2zh9a0gNNdfN%2Fwand-sparkles.svg?alt=media&amp;token=b834ab5b-7374-4972-96fb-72ef53e26fec">wand-sparkles.svg</a></td></tr><tr><td><a href="https://api.comms.zone/">Developer API</a></td><td><a href="https://api.comms.zone/">https://api.comms.zone/</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FqzL3Dv6ZdA43L6FYGNwV%2Fcode.svg?alt=media&amp;token=b5d53276-b08b-418a-8288-598899a29c4d">code.svg</a></td></tr><tr><td><a href="/sentinel-documentation/resources/directory.md">Directory</a></td><td><a href="/sentinel-documentation/resources/directory.md">Directory</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FrEeV2UbM1XYfDmSMvY8w%2Fcontact-round.svg?alt=media&amp;token=fc00080d-3e20-46cb-aea6-c4e9eedf388c">contact-round.svg</a></td></tr><tr><td><a href="/sentinel-documentation/spaces/files.md">Files</a></td><td><a href="/sentinel-documentation/spaces/files.md">Files</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FXtIqNs0U8NS6SDnyBVtf%2Fbriefcase-business.svg?alt=media&amp;token=e0740b7a-2628-4644-97f4-a5c4a57b8d5e">briefcase-business.svg</a></td></tr><tr><td><a href="/sentinel-documentation/system-administration/permissions.md">Permissions</a></td><td><a href="/sentinel-documentation/system-administration/permissions.md">Permissions</a></td><td data-object-fit="contain"><a href="https://4177106735-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FKJPykUSrsRewdKkgo9UK%2Fuploads%2FedAR70OHMJWKPnFNNgaM%2Fkey-square.svg?alt=media&amp;token=9e762799-be52-49b6-afd3-c05e116ecb52">key-square.svg</a></td></tr></tbody></table>