This statement executes a Python script (it must be Python) that resides on the filesystem. The special://home prefix actually refers to the home directory of the Kodi program. In my case it means the /home/kodi/.kodi/ directory.

xbmc.executescript('special://home/bin/my-script.py')

• https://kodi.wiki/view/Audio-video_add-on_tutorial
• https://kodi.wiki/view/Add-on_settings
• https://kodi.wiki/view/External_players
• https://codedocs.xyz/w3tech/xodi/index.html