},
		config.KV{
			Key:   target.MySQLMaxOpenConnections,
			Value: strconv.Itoa(cfg.MaxOpenConnections),
		},
	}

	return nil
}

// SetNotifyMQTT - helper for config migration from older config.
func SetNotifyMQTT(s config.Config, mqttName string, cfg target.MQTTArgs) error {
	if !cfg.Enable {
		return nil
	}

	if err := cfg.Validate(); err != nil {
		return err
	}

		notify.SetNotifyES(newCfg, k, args)
	}
	for k, args := range cfg.Notify.Kafka {
		notify.SetNotifyKafka(newCfg, k, args)
	}
	for k, args := range cfg.Notify.MQTT {
		notify.SetNotifyMQTT(newCfg, k, args)
	}
	for k, args := range cfg.Notify.MySQL {
		notify.SetNotifyMySQL(newCfg, k, args)
	}
	for k, args := range cfg.Notify.NATS {
		notify.SetNotifyNATS(newCfg, k, args)
	}