code: def trigger_incident(self, service_key, description,
                           incident_key=None, details=None,
                           client=None, client_url=None, contexts=None):
          
  
          return self.create_event(service_key, description, "trigger",
                                   details, incident_key,
                                   client=client, client_url=client_url, contexts=contexts)
docs: Report a new or ongoing problem. When PagerDuty receives a trigger,
          it will either open a new incident, or add a new log entry to an
          existing incident.