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Set Scalar Parameter in Particle Material

Hi, I created a particle system and material for it. The material has a panner, its speed is controlled by a scalar parameter. It works well, but I can't change the parameter via blueprint. I set up a dynamic material instance in the construction script and I'm using the "Set scalar parameter value" node (the target is dynamic material instance). It doesn't work, no matter what value I type. When I recreate this type of pannig material on a mesh, it works. Are there any limitations for particle materials I don't know?

Product Version: UE 4.11
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asked Aug 22 '16 at 02:53 PM in Blueprint Scripting

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