code: def check_event(self, sim_time):
          
          ret = []
          for model in self.__dict__['Event'].all_models:
              if self.__dict__[model].is_time(sim_time):
                  ret.append(model)
  
          if self.Breaker.is_time(sim_time):
              ret.append('Breaker')
  
          return ret
docs: Check for event occurrance for``Event`` group models at ``sim_time``
  
          Parameters
          ----------
          sim_time : float
              The current simulation time
  
          Returns
          -------
          list
              A list of model names who report (an) event(s) at ``sim_time``