> For the complete documentation index, see [llms.txt](https://docs.lumi.education/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lumi.education/advanced-usage.md).

# Advanced usage

- [Authorization](https://docs.lumi.education/advanced-usage/authorization.md)
- [User content state](https://docs.lumi.education/advanced-usage/user-content-state.md)
- [Multiple user states per object](https://docs.lumi.education/advanced-usage/context-ids.md)
- [Impersonating users](https://docs.lumi.education/advanced-usage/impersonation.md)
- [Basic completion tracking](https://docs.lumi.education/advanced-usage/completion-tracking.md)
- [Localization](https://docs.lumi.education/advanced-usage/localization.md)
- [Cluster](https://docs.lumi.education/advanced-usage/cluster.md)
- [Addons](https://docs.lumi.education/advanced-usage/addons.md)
- [Customization](https://docs.lumi.education/advanced-usage/customization.md)
- [Performance optimizations](https://docs.lumi.education/advanced-usage/performance-optimizations.md)
- [Privacy](https://docs.lumi.education/advanced-usage/privacy.md)
- [Forward proxy support](https://docs.lumi.education/advanced-usage/proxy.md)
- [Security](https://docs.lumi.education/advanced-usage/security.md)