Niagara Beam Variable (Actor)

[Sarlack]

I am trying to switch my Particle System Beam to Niagara System Beam.

When I try to set the Beam End using “Set Niagara Variable (Actor)” it does not work.

Is there something I am missing?

This is the scratch setup

This is the Beam setup

This is the blueprint

[Sarlack]

I found this post which said that “Actor Component Interface” can’t be changed at runtime.

Set Niagara Actor Parameter from Blueprints

The tutorial by epic games is great as is the other. The used ‘Actor Component Interface’ type for the user variable which can be found in ‘NiagaraDataInterfaceActorComponent.h’ is not meant to be set at runtime. Since it is a UObject you can not instantiate it from blueprint and it has set the ‘EditInlineNew’ attribute which means that its values can only be set during runtime. I was curious if there is a way around updating the beam end on tick with this type of variable, since it does basica…

I change the user variable to vector and just get actor location.