https://www.patreon.com/posts/sims-4-modding-3-42731322

Part 3 of our modding series covers how to create buffs and actions using Zerbu's Mod Constructor (best viewed in 720p resolution). For this tutorial, you will need the following program:

Zerbu's Mod Constructor: https://zerbu.tumblr.com/post/181782526135/the-sims-4-mod-constructor-v4

Python 3.7.0: https://www.python.org/downloads/release/python-370/