Functions: com.ibm.streamsx.mqtt 1.0.1 Specialized toolkits - release 4.3.1.0-prod20190605 > com.ibm.streamsx.mqtt 1.0.1 > Functions Functions newControlSignal(MQTTSourceUpdate.TopicsUpdateAction, list<rstring>, uint32) Convenience method for creating a control signal that modifies subscription setting for MQTTSource operator