import FWCore.ParameterSet.Config as cms process = cms.Process("Demo") process.load("FWCore.MessageService.MessageLogger_cfi") process.maxEvents = cms.untracked.PSet( input = cms.untracked.int32(-1) ) process.source = cms.Source("PoolSource", # replace 'myfile.root' with the source file you want to use fileNames = cms.untracked.vstring( 'root://eoscms.cern.ch//eos/cms/store/mc/RunIISummer16MiniAODv2/TT_TuneCUETP8M2T4_13TeV-powheg-pythia8/MINIAODSIM/PUMoriond17_80X_mcRun2_asymptotic_2016_TrancheIV_v6-v1/80000/FED04F50-A3BE-E611-A893-0025900E3502.root' ) ) process.demo = cms.EDAnalyzer('TestAnalyzer', slimmedElectrons = cms.untracked.InputTag("slimmedElectrons"), jettag = cms.untracked.InputTag("slimmedJets"), MetTag = cms.untracked.InputTag("slimmedMETs"), slimmedMuons = cms.untracked.InputTag("slimmedMuons"), slimmedTaus = cms.untracked.InputTag("slimmedTaus") ) process.TFileService = cms.Service("TFileService", fileName = cms.string("Test_Tree.root")) process.p = cms.Path(process.demo)