Execute Multiple RunRobotRoutine in parallel

I have a number of identical of cells that each have a single process statement. All of the Cells are in parallel within my flow steps and are each fed a single product.
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Inside of each Process Executor, I have multiple Robots that I want to execute at the same time. If I put both RunRobotRoutines inside the ProcessExecutor, they run sequentially. How to I get them to execute in parallel? I thought about adding a new Process Routine inside the executor, but Im unsure how it will be handled with all the other cells containing other process routines.

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Can’t be done with RunRobotRoutine statement nor by having multiple process implementations in same process executor.

You would need to do something like have the robots wait for a signal and then send that signal from the process, then wait for another signal from each robot when they are done.

Thanks, I was able to get this completed, with a single robot in the Process Executor, and connected the other robot with some signals.