Add an External Tool node to your workflow by searching for it in the Node Repository
and dragging it onto the workflow canvas.
Double-click on the External Tool node to open its configuration dialog.
P.S. I would like a video series that focuses on using an existing VSCode IDE and using KNIME to build out workflows with Python Scripts that are ready to go. Is there such a series?
I’m a bit confused about your first two bullets points. What exactly are you asking? Both of those actions are possible as is - are you running into trouble somewhere?
As to your postscript, we don’t have a series of videos specific to KNIME and VSCode. There are examples of Python Script node usage on the Hub that might be helpful for you: