systemctl edit --full --force paac.service

/etc/systemd/system/paac.service

[Unit]
Description=Path Activation Service
 
[Service]
Type=oneshot
ExecStart=sh -c 'for f in /tmp/paac/*; do echo "lösche $f: $(cat $f)"; rm "$f"; done'

systemctl edit --full --force paac.path

/etc/systemd/system/paac.path

[Unit]
Description=Demonstrate Path Activation
 
[Path]
MakeDirectory=true
PathChanged=/tmp/paac
 
[Install]
WantedBy=default.target

systemctl start paac.path

echo test > /tmp/paac/file
journalctl -fu paac.service