Submaster to change ColorSource Spot and Par 5ch to strobe with submaster fader or button

I have a scene with an electric chair that turns on and off multiple times and I would like to follow the actor on a submaster.  Is it possible to change the ColorSource Spot and Pars to strobe on and off with a submaster while in a cue?  I'm needing to follow the duration and number of times the actor throws the switch which is not always the same.  Console is the Ion Xe 20.

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