create a sequence that will flash a series of lights that are already at full intensity

On a ColorSource 40 AV...

I'm wanting to create a playback sequence that will flash a series of lighting fixtures that are already at full intensity in a working cue.  i.e the sequence would need to be able to turn off a fixture then return it to its on state as oppose to turning on a fixture then back to off.  Is there a way to accomplish that?

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