Events in a scope-based group are grouped together because they share a common attribute, such as a resource.
Create an event policy to set
ScopeID for events that match your defined filter.
Scope-based event grouping is activated for events that match the filter, based on the
ScopeID that you specify. For more information about creating a scope-based
grouping policy, see OMNIbus documentation: About scope-based grouping events with Event