@Divya Rani Pallapothu Thanks for using Microsoft Q&A !!
Yes you can use Delta as a Sink from UI and here is the documentation and a video tutorial for the same. As far as I know you cannot however Delta as a sink in .NET SDK. I see, DataFlowSink class seems using only Datasets while creation. Please provide this as a feedback at Uservoice so that community can upvote and the products team can plan to include it in future releases.
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