cms.EDProducer("LSTInputProducer@alpaka",\ 
    alpaka = cms.untracked.PSet(\ 
        backend = cms.untracked.string('')\ 
    ),\ 
    beamSpot = cms.InputTag("hltOnlineBeamSpot"),\ 
    phase2OTRecHits = cms.InputTag("hltSiPhase2RecHits"),\ 
    ptCut = cms.double(0.8),\ 
    seedTracks = cms.VInputTag("hltInitialStepSeedTracksLST")\ 
)\