---
title: "Block - Main Group - ui class · RUAL Documentation"
description: "List of all the groups within the ui class main group."
canonical: https://docs.rual.nl/block-types/ui class
language: en
---

# Groups within ui class

List of all the groups within the `ui class` main group, these groups help finding blocks within the blueprints. If you're running an older core version, there may be groups listed here that are not available to you (yet).