Creating a custom activity for train extractor scope

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1

I have been looking for Train Extractor Scope activity for a while and i found that i need to create a custom activity for training from this link “Train Extractors Scope - #4 by Thomas_Volker”.
How to create the same? Did anyone tried this one and got the result?

2

Hi @Anju_Unnikrishnan

Does this documentation article help?