The Notification method of TIBCO Mainframe Service Tracker is the only method supported, since it is the only method utilized by the TIBCO Object Service Broker for z/OS interface to TIBCO Mainframe Service Tracker.
Note that all Hawk microagents expose a _onUnsolicitedMsg method, but this method is not actively supported, so subscriptions to this method will never receive any data.
The Notification method as exposed by TIBCO Mainframe Service Tracker and the Hawk microagents within TIBCO Object Service Broker for Open Systems has the method parameters described below: