[Unit]
Description=Automatically create, rotate, and destroy periodic ZFS snapshots.
Documentation=man:zfs-auto-snapshot(8)
Requires=zfs-auto-snapshot-frequent.timer
Requires=zfs-auto-snapshot-daily.timer
Requires=zfs-auto-snapshot-hourly.timer
Requires=zfs-auto-snapshot-weekly.timer
Requires=zfs-auto-snapshot-monthly.timer

[Install]
WantedBy=timers.target