A notification that represents an ICAP- related event on an ProxySG appliance. The attributes of an ICAP notification include: sgICAPNotification - defines the event type. icapServiceStatsName - the service on which the event has occurred icapServiceStatsDeferredReqs - the number of deferred connections on the service, at the time of event icapServiceStatsQueuedReqs - the number of queued connections on the service, at the time of event.