#include "Tutorial/Exercise/interface/TwoMuonFilter.h" // framework includes #include "DataFormats/MuonReco/interface/Muon.h" // this defines the muon collection #include "DataFormats/MuonReco/interface/MuonFwd.h" TwoMuonFilter::TwoMuonFilter(const edm::ParameterSet& cfg) {} TwoMuonFilter::~TwoMuonFilter() {} bool TwoMuonFilter::filter(edm::Event& event, const edm::EventSetup& setup) { std::cout << "Hello" << std::endl; edm::Handle muon_handle; event.getByLabel("muons",muon_handle); // reco::MuonCollection::const_iterator muon; std::cout << muon_handle->size() << std::endl; return true; } DEFINE_FWK_MODULE(TwoMuonFilter);