Play & Loop selection ?

That’s clearer now, Kazakore, thanks for your time.

It was indeed the older version I downloaded.

Also, I was not in “edit mode” while trying it, which may explain that it did not work correctly then.

I did not yet download any other tool, but now i have some basis with this example for digging further into selection concepts with Lua.

Cool to see too that there are plenty of resources for learning.

PS: I point to your post here for the current latest version: