checkTriggerResults.cc

std::vector<std::string> m_trigPathNames; // taken from config
edm::Handle<edm::TriggerResults> trigResults;
event.getByToken(m_trigResultToken, trigResults); // Token from config 

std::vector<int> trigRes{};
if (trigResults.isValid()) {
  const edm::TriggerNames& triggerNames = event.triggerNames(*trigResults);
  for (const auto& name : m_trigPathNames) {
    auto trigBit = triggerNames.triggerIndex(edm::InputTag(name).label());
    // std::cout << name << " " << trigBit << "/" << trigResults->size() <<"\n";
    if (trigBit < trigResults->size() && trigResults->accept(trigBit) && !trigResults->error(trigBit)) {
      trigRes.push_back(1);
    } else {
      trigRes.push_back(0);
    }
  }
}