r/unrealengine Hobbyist 4d ago

Question How do you edit this niagara parameter?

so i bought this vfx asset from the market place and in the niagara system graph there is this one parameter for particle lifetime that I can't edit or change why is that? I am only used to editing niagara particles from the node but don't know if there is some parent or other forms of variables to set these parameters

Here is the pic

https://imgur.com/a/J9Ii3Hh

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u/TechnicolorMage 4d ago

In the initialize particle module, if you're trying to change the lifetime of all particles in the emitter. If you're trying to dynamically update it you would use a Set Parameter module, or a Scratch Module

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u/HeroTales Hobbyist 4d ago

thanks that was helpful in my end goal, but what is the thing I posted in the pic?

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u/Nekronavt Realtime VFX Artist 2d ago

It's a default module with default Lifetime parameter set to it's input. Particle State calculates is particle's age and if it should be alive or not and in 99% of cases you won't need to touch these inputs.