> For the complete documentation index, see [llms.txt](https://rasta-mouse.gitbook.io/crystalc2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rasta-mouse.gitbook.io/crystalc2/documentation/readme.md).

# Welcome

This section aims to document customization options for CrystalC2.

### Jump right in

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-type="content-ref"></th><th data-type="content-ref"></th><th data-type="image"></th><th data-hidden data-card-cover data-type="files"></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-bolt-lightning">:bolt-lightning:</i></h4></td><td><strong>Quickstart</strong></td><td>Get up and running quick</td><td><a href="/crystalc2/documentation/quickstart.md">Quickstart</a></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td><h4><i class="fa-headphones">:headphones:</i></h4></td><td><strong>UDC2</strong></td><td>Create a custom listener</td><td><a href="/crystalc2/documentation/udc2/introduction.md">User-Defined C2</a></td><td></td><td></td><td></td><td></td><td><a href="broken://pages/7FvWQMF0kTK7HGhlQfmo">Broken link</a></td></tr><tr><td><h4><i class="fa-face-sleeping">:face-sleeping:</i></h4></td><td><strong>LUA Script</strong></td><td>Review the LUA reference</td><td><a href="/crystalc2/documentation/lua/functions.md">Functions</a></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>