Ohhhh I am a horrible person, launchctl load -w com.selander.boom.plist

dancing Gandlaf

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>
    <string>com.example.touchsomefile</string>
    <key>ProgramArguments</key>
    <array>
        <string>open</string>
        <string>https://www.youtube.com/watch?v=cMHcmReOg3c</string>
    </array>
   <key>StartInterval</key>
        <integer>28800</integer>
</dict>
</plist>