Github user Wesley-Lawrence commented on a diff in the pull request: https://github.com/apache/nifi/pull/2003#discussion_r127265959 --- Diff: nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-services-bundle/nifi-record-serialization-services/src/main/java/org/apache/nifi/csv/CSVRecordSetWriter.java --- @@ -48,6 +54,7 @@ @Override protected List<PropertyDescriptor> getSupportedPropertyDescriptors() { final List<PropertyDescriptor> properties = new ArrayList<>(super.getSupportedPropertyDescriptors()); + properties.add(CSVUtils.EXPLICIT_COLUMNS); --- End diff -- Hmm. I'll take a stab at defining the new functionality in the `@capabilitydescription` in both `CSVReader` and `CSVRecordSetWriter`. I think It's worth documenting, and explaining in `CSVReader` that columns can be renamed by using "Explicit Columns". As well as explaining in `CSVRecordSetWriter` that "Explicit Columns" doesn't rename columns, but does allow for re-ordering, while reminding users that the column names have been defined by whatever RecordReader is being used.
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