How to properly implement POWL IF_POWL_FEEDER~GET_DETAIL_COMP?

Hello experts,

I have created a webdynpro application and feeder class for my POWL. The report displays a list of POs but I need to display a window detail for each selected item in the result.

Any detailed documentation/steps on how to implement this? I know that the method GET_DETAIL_COMP is used to pass the webdynpro component (implementing interface POWL_DETAIL_COMP_IF).

I read in this link - https://www.consolut.com/en/s/sap-ides-access/d/s/doc/YH-IF_POWL_FEEDER that the respective "master result" data (adhering to GET_OBJECT_DEFINITION) will be supplied by the POWL to the detail component via method UPDATE_DETAIL_DATA as defined in POWL_DETAIL_COMP_IF.

Questions:

1. Is this another feeder class or the same from the main webdynpro component?

2. How do I pass data from POWL to the new component?

Thanks in advanced,

Jack