code: async def updateCronJob(self, iden, query):
          '''
          Change an existing cron job's query
  
          Args:
              iden (bytes):  The iden of the cron job to be changed
          '''
          cron = self.cell.agenda.appts.get(iden)
          if cron is None:
              raise s_exc.NoSuchIden()
          self._trig_auth_check(cron.useriden)
          await self.cell.agenda.mod(iden, queryync def updateCronJob(self, iden, query):
          '''
          Change an existing cron job's query
  
          Args:
              iden (bytes):  The iden of the cron job to be changed
          '''
          cron = self.cell.agenda.appts.get(iden)
          if cron is None:
              raise s_exc.NoSuchIden()
          self._trig_auth_check(cron.useriden)
          await self.cell.agenda.mod(iden, query)
docs: Change an existing cron job's query
  
          Args:
              iden (bytes):  The iden of the cron job to be changed