How to generate the mapping between new entity detail with salesorderdetail

Mar 29, 2014 at 2:24 PM
This tool is great and easy to list and modify EXISTING mapping (visible and hidden).
BUT how to initiate a mapping betwen Salesorderdetail and a new entity detail ?

I had to create a new entity which is mapped to salesorder entity. This is working fine. The problem is that I don't know how to create the mapping of the détails of these 2 entities, in that case Products.

Any idea about how to initiate this mapping at detail level ?