confluent produce string message through console

start string producer with below command

kafka-console-producer.bat \ --broker-list broker-host:9091 --topic test --property "parse.key=true" --property "key.separator=:"

It will start producer and we can type message as below (key:value)
1:{ "PROGRAM_NAME": "NDTV", "ORIGINATOR": "JADE_FEVER", "channel": "CTV Drama+","weekday": "Monday", "DATE": "9/28/2018", "START_TIME": "17:30:00"}