This class represents the add AdHocRouteWorkgroup event that is part of an eDoc in Kuali. This is triggered when a user presses
the add button for a given adHocRouteWorkgroup.
Constructs an AddAdHocRouteWorkgroupEvent with the specified errorPathPrefix, document, and adHocRouteWorkgroup
Parameters: document - Parameters: adHocRouteWorkgroup - Parameters: errorPathPrefix -