(Init)
...
// Create and activiate output Buffer....choose between PndEmcWaveform and PndEmcMultiWaveform
#ifndef MULTI
    fWaveformBuffer = new PndEmcWaveformBuffer("EmcWaveform", "PndEmcWaveform", "Emc", fStoreWaves);	
#else
    fWaveformBuffer = new PndEmcWaveformBuffer("EmcWaveform", "PndEmcMultiWaveform", "Emc", fStoreWaves);	
#endif

    fWaveformBuffer = (PndEmcWaveformBuffer*) ioman ->RegisterWriteoutBuffer("EmcTimebasedWaveform", fWaveformBuffer);
...etc

(Exec)
...
// construct corresponding waveform data Object
PndEmcWaveformData wfData(theHit->GetDetectorID(),  wfSimulator);

//register hit...timebased framework uses ns, whereas emc deals with seconds as time unit
FairLink linkToHit(-1, ioman->GetEntryNr(), "EmcHit", iHit, 1.0);
wfData.AddHit(linkToHit, ioman->GetEventTime() + theHit->GetTime()*1.0e9, theHit->GetEnergy());

fWaveformBuffer->FillNewData(&wfData);	
...etc

(Init)
...
// Get input array
fWaveformArray = (TClonesArray*) ioman->GetObject("EmcMultiWaveform");
    if (!fWaveformArray) {
    //check if EmcWaveform contains MultiWaveforms
    fWaveformArray = (TClonesArray*) ioman->GetObject("EmcWaveform");
    if((!fWaveformArray) || (!fWaveformArray->GetClass()->InheritsFrom("PndEmcMultiWaveform"))){
    cout << "-W- PndEmcFWEndcapDigi::Init: "
    << "No PndEmcWaveform array containing multi waveforms!" << endl;
    return kERROR;
    }

}
// Create and register output array
fDigiArray = ioman->Register("EmcDigi","PndEmcDigi", "Emc", fStoreDigis);
...etc