Alisder,
It’s possible but both I and others have already shown that many times in the forum. You could either search in the forum or check the great python examples inside node from Clockwork or Archi-lab. I always try to keep the code that I post to a minimum - this site makes any code sniplets unusable and the only other alternative, images, is hard to replicate.
On your second question, Konrad’s node uses the shared parameter file to get the internal definitions for the parameter group and type. That might be hard to do for family parameters because you’ll need a shared parameters file that has every possible group and type. What you could do is check out his nice drop-down nodes for the correct parameter group and type names and convert the string to the corresponding internal element like so:
