ArrayLists is an MCreator plugin designed to store multiple variables in one.
The plugin can be downloaded here:
https://mcreator.net/plugin/118544/arraylists
Goldorion for making the original plugin
https://github.com/Goldorion
https://mcreator.net/user/268784/toutoukamon
NerdyPuzzle for updating the plugin to 2024.2 and 2024.3
https://github.com/NerdyPuzzle
https://mcreator.net/user/703632/nerdypuzzle
A wiki to this plugin is planned.
(Coming soon)