Operators: com.ibm.streamsx.kafka 1.9.4 Specialized toolkits - release 4.3.1.0-prod20190605 > com.ibm.streamsx.kafka 1.9.4 > Operators Operators KafkaConsumer The KafkaConsumer operator is used to consume messages from Kafka topics. KafkaProducer The KafkaProducer operator is used to produce messages on Kafka topics.