[
{ type: install
  message: <<EOM
To actually turn on the automatic snapshots you have to do the following:

1. Add an appropriate crontab entry, e.g.:

    echo "*/5 * * * *	root   %%PREFIX%%/bin/zfs-snapshot-mgmt" >> /etc/crontab

See zfs-snapshot-mgmt(8) manpage for more details.
EOM
},
{ type: remove
  message: <<EOM
Remember to remove zfs-snapshot-mgmt entry from cron configuration.
Otherwise the system will be constantly trying to call the deinstalled script.
EOM
}
]