Upserting data to couchbase

Hi,
I am a rookie in using couchbase
I wonder how could I upsert a record via Kafka connector and Nifi processors?
any help is much appreciated

@Rezali Curious which to you want to use Kafka - or - Nifi -or- some pioleline of both?

Have you looked at https://www.couchbase.com/blog/nifi-processing-flow-couchbase-server/ ?