Add a RecordField to the RecordSchema where the DataType is a RecordDataType... a RecordDataType then has a child schema.
May be helpful to look at the code that converts between RecordSceham and Avro schemas: https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/nifi-avro-record-utils/src/main/java/org/apache/nifi/avro/AvroTypeUtil.java#L195-L205 On Sun, Apr 8, 2018 at 6:05 PM, Mike Thomsen <mikerthom...@gmail.com> wrote: > Can someone tell me how to build a nested schema using RecordSchema and > RecordField objects? The use case here is to make MongoDBLookupService able > to roughly detect the schema from the returned bson Document. > > Thanks, > > Mike