[Desktop Entry]
Name=Change Wallpaper
Type=Application
Icon=/path/to/change-wallpaper.svg
Exec=change-wallpaper.py
Actions=disable-timer;enable-timer;
Comment=Randomly pick a new wallpaper

[Desktop Action disable-timer]
Name=Disable Timer
Exec=systemctl --user disable --now change-wallpaper.timer

[Desktop Action enable-timer]
Name=Enable Timer
Exec=systemctl --user enable --now change-wallpaper.timer