Niagara Particle ID to Material

Wondering if there is a way to retrieve particle id into a material akin to the various particle input material nodes such as ParticleColor. I have a flashing sine material, but id like to offset the flash randomly per particle… atm, all my particles flash in unison which is not what I want… hmm… a scratch module pushing that into a dynamic material parameter just came to mind… perhaps there’s an easier way I might have overlooked?

ooh just found [ParticleRandom]…