Information about a particular SNMP notification destination entry.
The first index instance creates an snmp notification group to be
associated with the event log with the same value for
tmnxLogIdIndex. The second index specifies an administrative
name to identify a specific SNMP notification target.
Entries are created by user.
Entries are deleted by user.
There is no StorageType object, entries have a presumed
StorageType of nonVolatile.