Specifying Alarm Trigger Conditions with AlarmExpression

You use the
AlarmExpression
data object to specify the conditions under which you want the
Alarm
to become active. The
AlarmExpression
data object is an abstract type with several subtypes, which allow you to specify thresholds on objects, state of objects, or specify specific events to monitor.
AlarmExpression and Its Subtypes
Shows five subtypes of Alarm Expression.