> 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/spaces/people/groups.md). # Groups Create and organise space groups Groups allow you to sub-divide users and contacts within a space. Navigate to **/spaces/groups** to see the space groups listed. The Groups show the total Users, Contacts and Documents assigned. {% hint style="success" %} Groups can be used when building and sending mass-notifications in an emergency. Sending to prepared groups can be a convenient way keep everyone notified. {% endhint %}