vertx / io.vertx.rxjava.mqtt / MqttClient / subscribeCompletionHandler

# subscribeCompletionHandler

`open fun subscribeCompletionHandler(subscribeCompletionHandler: Handler<MqttSubAckMessage>): MqttClient`

Sets handler which will be called after SUBACK packet receiving

### Parameters

`subscribeCompletionHandler` - handler to call. List inside is a granted QoS array

Return
current MQTT client instance