How to use Debezium SMT with Groovy to filter routing events

After configuring my Kafka Connect Image with Debezium, demonstrated in Hugo Guerrero's article Improve your Kafka Connect builds of Debezium, I needed to configure a type of filter to only bring certain events from the database table to my topics. I was able to do this using Debezium SMT with Groovy. What is Debezium SMT? Debezium SMT (single message transform) is a filter feature provided by Debezium that is used to process only records that you find relevant. To do that, you need to include p...