code: def start_executing_host_checks(self):
          
          # todo: #783 create a dedicated brok for global parameters
          if not self.my_conf.execute_host_checks:
              self.my_conf.modified_attributes |= DICT_MODATTR["MODATTR_ACTIVE_CHECKS_ENABLED"].value
              self.my_conf.execute_host_checks = True
              self.my_conf.explode_global_conf()
              self.daemon.update_program_status()
docs: Enable host check execution (globally)
          Format of the line that triggers function call::
  
          START_EXECUTING_HOST_CHECKS
  
          :return: None