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

# Groups within apn

List of all the groups within the `apn` 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).