EMetrics emetrics; // Set elsewhere
DataTracker tracker = emetrcs.getDataTracker();
tracker.enable();
tracker.setFilter(new DataType[]{DataType.SEND_DATA}); // Not needed, but might be desired
// Do stuff
List<DataEvent> events = tracker.getEvents();
// TODO: Add getMostRecent();
for(DataEvent event : events){
   String graph = event.getGraphName(); // Should do hasGraphName() first?
   String tracker = event.getTrackerName(); // Should do hasTrackerName() first?
   int data = event.getValueSent();
   // More stuff
}
tracker.resetEvents(); // Remove all events for next iteration