@Ghilani You should know these 3 articles intimately if you want to use Execute Script https://community.cloudera.com/t5/Community-Articles/ExecuteScript-Cookbook-part-1/ta-p/248922 https://community.cloudera.com/t5/Community-Articles/ExecuteScript-Cookbook-part-2/ta-p/249018 https://community.cloudera.com/t5/Community-Articles/ExecuteScript-Cookbook-part-3/ta-p/249148 That said, it's sometimes helpful for me to see a working example and modify from there. As such, here is a github with a sample flow definition file (01_Fraud_Detection_Demo_Params_ExecuteScript.json) and script file(Fraud Demo ExecuteScript.py) that should work out of the box: https://github.com/cldr-steven-matison/Fraud-Prevention-With-Cloudera-SSB/tree/main/Templates Pay attention to imports and, then line 160 is what you want to get the flowfile. My flow ignores the content, but you should be able to find references in the Part 1 cookbook for anything you want to do w/ flowfile content.
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