How to play Niagara System?

Goodday!

I have a Niagara System in a Actor BP. I would like to know how to make it play once.

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Goodday @Doeglas! Here’s a quick way to activate a Niagara system only once from a BP reference.

If the system isn’t used anymore, I usually recommend just instantiating an emitter instance of it so it can be garbage collected when it dies. If you need it to remain in world however, feel free to leave it attached!

Hope this helps!

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Doesn’t seem to work for me. I also tried placing it into the world. When I play it in editor I can see the particles and I’m happy with the placement but when I play I can’t see them.

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Nevermind, the particles where just too small. Thanks!

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Yep! As you found out, the systems do conform to their parent’s transforms, so if you put them in a tiny item, they will shrink! Put them on a spinning item and they’ll spin with it! Glad this helped, have a great one!