code: def cli(env, zone_id, by_record, by_id, data, ttl):
      
      manager = SoftLayer.DNSManager(env.client)
      zone_id = helpers.resolve_id(manager.resolve_ids, zone_id, name='zone')
  
      results = manager.get_records(zone_id, host=by_record)
  
      for result in results:
          if by_id and str(result['id']) != by_id:
              continue
          result['data'] = data or result['data']
          result['ttl'] = ttl or result['ttl']
          manager.edit_record(result)
docs: Update DNS record.