PI extractor use cases

Is there any use cases available and/or documentation with examples about configuring the PI extractor?

I have found the documentation available in the web lacks information with more robust examples.

Also some of the videos i have seen so far are very very basic that seemes a waste of time to watch cause they can be resumed in one phrase cause they briefly tells you what the extractor do but they dont tell how to get it to work which is what we need as engineers, a step by step guide with better examples, using fictionary data and examples could be a good starting point so we can just follow up the guides and set up instead of being crating a lot of tickets which would be reserved for troubleshooting, etc.

Thank you,