text: # official example for PF2PAT
  
  import FWCore.ParameterSet.Config as cms
  
  process = cms.Process("PF2PAT")
  
  
  process.maxEvents = cms.untracked.PSet(
      input = cms.untracked.int32(1000)
  )
  
  process.source = cms.Source("PoolSource",
      fileNames = cms.untracked.vstring(
      'file:/uscms/home/rappocc/nobackup/analysis/GED/CMSSW_6_1_0_pre3/src/401.0_TTbar+TTbarFSPU2/step1.root'
  
      ))
  
  
  
  print process.source
  
  # path ---------------------------------------------------------------
  
  
  process.load("CommonTools.ParticleFlow.PF2PAT_cff")
  
  #from CommonTools.ParticleFlow.Tools.enablePileUpCorrection import enablePileUpCorrectionInPF2PAT
  
  # the following is advocated by JetMET, but leads to include very far tracks in the no pile up collection
  #enablePileUpCorrectionInPF2PAT( process, postfix='')
  
  process.dump = cms.EDAnalyzer("EventContentAnalyzer")
  
  process.p = cms.Path(
      process.PF2PAT
      )
  
  # output ------------------------------------------------------------
  
  #process.load("FastSimulation.Configuration.EventContent_cff")
  process.load("Configuration.EventContent.EventContent_cff")
  process.pf2pat = cms.OutputModule("PoolOutputModule",
                                    #    process.AODSIMEventContent,
                                    outputCommands = cms.untracked.vstring('keep *'),
                                    fileName = cms.untracked.string('PF2PAT.root')
  )
  process.aod = cms.OutputModule("PoolOutputModule",
                                 process.AODSIMEventContent,
                                 #outputCommands = cms.untracked.vstring('drop *'),
                                 fileName = cms.untracked.string('aod.root')
  )
  process.load("CommonTools.ParticleFlow.PF2PAT_EventContent_cff")
  process.pf2pat.outputCommands.extend( process.PF2PATEventContent.outputCommands )
  process.pf2pat.outputCommands.extend( process.PF2PATStudiesEventContent.outputCommands )
  
  process.outpath = cms.EndPath(
      process.pf2pat
  #    process.aod
      )
  
  
  # other stuff
  
  process.load("FWCore.MessageLogger.MessageLogger_cfi")
  process.MessageLogger.cerr.FwkReport.reportEvery = 10
  
  # the following are necessary for taus:
  
  # process.load("Configuration.StandardSequences.GeometryPilot2_cff")
  # process.load("Configuration.StandardSequences.MagneticField_cff")
  # process.load("Configuration.StandardSequences.FrontierConditions_GlobalTag_cff")
  
  # do not forget to set the global tag according to the
  # release you are using and the sample you are reading (data or MC)
  # global tags can be found here:
  # https://twiki.cern.ch/twiki/bin/view/CMS/SWGuideFrontierConditions#Valid_Global_Tags_by_Release
  # process.GlobalTag.globaltag = cms.string('GR09_R_34X_V2::All')
  