Leo,
thanks for replying. None of those will work, unfortunately. I did take a look at the following post that appears to work around this current limitation:
In addition, the following post appears to add actual commands to the available standard function (Opus or external) library available in the command editor:
I'm no coding expert, but there may be a path to yes through some lessons in these two scripts. Am I on to something, or is this just wishful thinking?