Following this material: https://www.acumatica.com/blog/contract-based-apis-in-generic-inquiries/

I performed an exercise as detailed in the document and it works fine.

However, when I create my own GI, postman it does not return any results and I get an empty list.

Postman Result PO GI

The GI si basically two tables (POOrder and POLine) where you can see the detail that each PO contains.

Do you have any idea what I am missing?

Thank you very much for your support!

Best regards.

I’m expecting Postman send the results like this:
Expected result