In the new FW we have the Please login or register to see this link. functionality that allow us to subscribe to "raw" HC3 events from the /refreshState API. For scenes these events are "refined" to sourceTriggers that we can use as condition triggers.   Please login or register to see this link.  is nice to have built-in for simple stuff but is a bit clunky to use for more complex stuff. Also, the filter-handler model forces it to go through all filters for all events - no keying on event fields