@MukaAddA  Sorry, writing such script is not a strong area for me.  I just happened to notice you were doing a session.create instead of a session.get.  You may get better help by raising a new question on how to create a script to be executed by the ExecuteScript processor to accomplish your use case and provide details on that use case.  I am sure there are others in the community that are good at writing such scripts. Matt ... View more

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