+16 1 * * * __KOHA_USER__ $KOHA_CRON_PATH/cleanup_database.pl --sessions --zebraqueue 10
+
+# delete old purchase suggestions weekly. Replace XX with a number to define the age of suggestions to delete.
+@weekly __KOHA_USER__ $KOHA_CRON_PATH/purge_suggestions.pl --days XX > /dev/null 2>&1