I’m aware it’s not ready for public, but this post is not about bugs but about the basic usage.
Niagara is amazing tool. I’ve played with it some time and (despite some crashes) managed to set the particle system and add it to the world.
But I have no clue how to kill particles? Is it even possible?
There Instance.Alive parameter which you can set to false which marks particle to be deleted… but i yet yet to make it work but this direction you should look in to