Hi @arkiboys ,
Thank you for posting query in Microsoft Q&A Platform.
As I understand ask here you are trying to combine columns from all flatten branches. Please correct me if my understanding is wrong.
We should consider using Join transformation to join all these streams.
Please note, while performing join there should be a common column between streams. If its not there, then may be consider using surrogate key transformation on streams and then join based on that column.
Hope this helps. Please let us know if any further queries.
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