This property specifies the Notifier polling interval. You can specify S, M, and H for units of seconds, minutes. and hours. You can also combine units, as in 1H 30M 10S. If no unit is specified, the interval is in seconds.
If the Notifier loses the database connection, it will recover automatically at the first polling interval after the database becomes available again.
This property is optional. The default is 30 seconds.