Little workaround for how to spawn rigid body objects from emitor.
If you want to support the channel, buy this light bulb ;-)
https://blendermarket.com/products/wslb---light-bulb
While you're at it, you can also check my Instagram:
https://www.instagram.com/wiresoulstudio
Animation nodes: https://github.com/JacquesLucke/animation_nodes/releases