The only way I found was to copy the Python code from UIFLOW2, paste it in Thonny and save it as a .py file. Then upload it using the WebTerminal in UI FLoW 2 interface
OKAY! Excellent. THANK YOU. Didn't understand the USB-C port on the charging base.
Figured this all out with your help and appears to need to be fed the power from the included "dumb" USB-A to USB-C cable and not what I thought I could do from an Apple USB-C / USB-C plugged into my MacBook.