greyp9 commented on code in PR #9604:
URL: https://github.com/apache/nifi/pull/9604#discussion_r1904433037


##########
nifi-extension-bundles/nifi-kafka-bundle/nifi-kafka-processors/src/main/java/org/apache/nifi/kafka/processors/PublishKafka.java:
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@@ -92,7 +92,8 @@
         + "The messages to send may be individual FlowFiles, may be delimited 
using a "
         + "user-specified delimiter (such as a new-line), or "
         + "may be record-oriented data that can be read by the configured 
Record Reader. "
-        + "The complementary NiFi processor for fetching messages is 
ConsumeKafka.")
+        + "The complementary NiFi processor for fetching messages is 
ConsumeKafka. "
+        + "To produce a kafka tombstone message while using 
PublishStrategy.USE_WRAPPER, simply set the value of a record to 'null'.")

Review Comment:
   I was talking myself through the tradeoffs.  For USE_WRAPPER, this 
documentation seems fine.  No request here.



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