Start dynamo script from excel

Test on my side wasn’t successful: the data still pass through, even if the result of the function to wait for is null, but I assume this is not the way intended to use this node. It would be nice to see an example.
To all useful ends, this followed the post I mentioned earlier:

Just to mention it also, AutoHotkey, that was mentioned in the post below, can apparently also create scripts which can be used to launch programs, open documents, etc.

Another one that could be useful:

And here is how to control Dynamo from the command line which let “control and automate the running of Dynamo graphs”: