def METHOD_NAME(self, iEvent, event):
    self.readCollections( iEvent )
    event.triggerObject = self.handles['cmgTriggerObjectSel'].product()[0]
    run = iEvent.eventAuxiliary().id().run()
    lumi = iEvent.eventAuxiliary().id().luminosityBlock()
    eventId = iEvent.eventAuxiliary().id().event()
    event.run = run
    event.lumi = lumi
    event.eventId = eventId