If you download the software usb upgrade files it has all the docs including the insert template.
here is a link to it from my drop box.
https://www.dropbox.com/scl/fi/5vfih1f8tc8zcnglq82m5/Ross-Custom-Button-Inserts.pdf?rlkey=5iwng3qfi0ffapsuf2b9bhmn5&st=esvpwzrp&dl=0
------------------------------
Les O'Reilly
Director - Switcher Product Management
------------------------------