Github user MikeThomsen commented on a diff in the pull request: https://github.com/apache/nifi/pull/2448#discussion_r190658775 --- Diff: nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/AbstractMongoProcessor.java --- @@ -123,6 +124,7 @@ .displayName("Batch Size") .description("The number of elements returned from the server in one batch.") .required(false) + .expressionLanguageSupported(true) --- End diff -- Done.
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