Hello @zzzz77,  The best way here should be the NiFi API. It's safer and more standardized. Also, since it's NiFi provided, it's easier to integrate.  https://nifi.apache.org/docs/nifi-docs/rest-api/index.html You can use the Processors options.  ... View more

@zzzz77, Welcome to our community! To help you get the best possible answer, I have tagged in our NiFi experts @MattWho @haridjh , who may be able to assist you further. Please feel free to provide any additional information or details about your query. We hope that you will find a satisfactory solution to your question. ... View more

Hi, Apologies for asking this here, as a new member of the forum I want to post new questions but don't seem to have the ability to do so.  Can someone please explain how I can do this as I want to ask some technical questions about nifi, in particular API queries for provenance. Thank you.   ... View more