Get Niagara Variable

[Netzwerk3D]

Hello

I have a general question about Niagara.

I want to read a parameter via Blueprint. It is very easy to change a parameter via “Set Niagara Variable”. But how do I “get” the parameter into the blueprint. For example to play a sound at the system location. On the right side of the Blueprint Editor I see the parameter under “Override Parameter”. But where do I find it in Eventgraph?

Wish you a nice day

[Netzwerk3D]

Hi, thanks for the quick response

My Niagara system is already “Expose to library” but I can’t find the variable in the blueprint. I would also like to find all the variables in the blueprint. Such as “Age, Lifetime and Collor” etc. Where can I find them in my blueprint?

Brgds.

[Alexander_Iljin]

The closest solution I have found is to use “Export Particle Data to Blueprint”.

Niagara - Export Particle Data

Sep 17, 2020.Knowledge Originally written by Ryan B. For 4.25 we introduced an experimental feature for exporting particle data and generating blueprint events for CPU particles in Niagara. The new UNiagaraDataInterfaceExport data interface can export Position, Size and Velocity to a blueprint that implements INiagaraParticleCallbackHandler. This is done through the Store Particle Data node, that can be added to a custom Niagara module script. As an example here’s the system overview highligh…

I have implement in my actor the “Recieve Particle Data” interface.

Then add a variable tith type ‘object’ to your Niagara system and export any two vectors and one float to that object.

[Alexander_Iljin]

On the other hand, you can play sound right in the niagara system or in the specific emiter

[JollyTarkaVFX]

Hi, did you get an answer to this?
I’m also trying to get Niagara parameters from a blueprint.