As part of my 3 part blog series, I am writing about the GoldenGate Stream Analytics custom stage functionality, how it has been used in one of the Customer's organization scenarios with examples, and what the architecture was. In this final blog, I will show you how to write the JAVA program to convert the Stream of data into Avro Kafka Messages in Nested format using the "custom-stage" functionality in the GoldenGate Stream Analytics.