if err := config.CheckValidKeys(subSysTarget, kv, validKVS); err != nil {
				return err
			}
		}
	}
	return nil
}

// DefaultKafkaKVS - default KV for kafka target
var (
	DefaultKafkaKVS = config.KVS{
		config.KV{
			Key:   config.Enable,
			Value: config.EnableOff,
		},
		config.KV{
			Key:   target.KafkaTopic,
			Value: "",
		},
		config.KV{