It is possible to create a reference between one Pricing Parameter which is taken as the source and another Pricing Parameter which takes values from the first one (available in that column as a drop-down menu). You can also reference other tables in the system, e.g., Customer, Product Extension.
This is useful if you need to restrict users to select values from another Pricing Parameter table or to set a new Pricing Parameter table quickly with data provided by the source Pricing Parameter.
...