sharplol

Hello, I was wondering how people make their tail lights only light the fog bulb when braking, and not the other 2 bulbs behind the LEDs, I searched so many forums/posts but didn't find a clear solution, many years have passed since those posts, I'm wondering if anyone has a DIY somewhere? Photo from a different post, essentially this is the effect I'm trying to achieve (brakes pressed in the photo). I'm pretty sure there's more to just coding, I think some rewiring has to be done?