Control Niagara particle spawn rate with Resolume OSC message not working

Development Programming & Scripting Blueprint
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1

Hi,

I have a niagara system and I want to control the particle spawn rate with OSC messages.

  1. I have added a user Parameter that I added to my spawn rate.
  2. I receive my OSC message with the correct value (tested with printstring)
    The node I’m using is "Set Int Parameter - Target is FXsystem Component). My target is My variable (Niagara Actor), I have entered the Parameter name with “User.xxxx” and the value out of my OSC controler (verified with printstring) goes to the Param pin.

When I hit play, the particles play at the correct spawn rate, but when I change the parameters through OSC all the particles die just like if the value was 0. When I move my slider in Resolume, I get the correct value from the value out pin but it somehow it looks like Niagara reads it a 0, which ever value it gets.

What am I doing wrong?