Optional:    true,
			Type:        "sentence",
		},
	}

	HelpKafka = config.HelpKVS{
		config.HelpKV{
			Key:         KafkaBrokers,
			Description: "comma separated list of Kafka broker addresses",
			Type:        "csv",
		},
		config.HelpKV{
			Key:         KafkaTopic,
			Description: "Kafka topic used for bucket notifications",
			Optional:    true,
			Type:        "string",
		},

		config.KV{
			Key:   config.Enable,
			Value: config.EnableOn,
		},
		config.KV{
			Key: target.KafkaBrokers,
			Value: func() string {
				var brokers []string
				for _, broker := range cfg.Brokers {
					brokers = append(brokers, broker.String())
				}
				return strings.Join(brokers, config.ValueSeparator)
			}(),
		},
		config.KV{
			Key:   target.KafkaTopic,
			Value: cfg.Topic,
		},
		config.KV{

			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.AmqpDurable,
			Description: "persist queue across broker restarts when set to 'on', default is 'off'",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.AmqpNoWait,

		}

		queueDirEnv := target.EnvMQTTQueueDir
		if k != config.Default {
			queueDirEnv = queueDirEnv + config.Default + k
		}

		mqttArgs := target.MQTTArgs{
			Enable:               enabled,
			Broker:               *brokerURL,
			Topic:                env.Get(topicEnv, kv.Get(target.MqttTopic)),
			QoS:                  byte(qos),
			User:                 env.Get(usernameEnv, kv.Get(target.MqttUsername)),