We want to get discount amounts and modifier line details for the individual lines and order for an

We have looked at the Pricing Engine API and that should provide the unit selling price. But can the same API or a different one be used to find what modifier lines will get applied and their amounts? We basically want to see the details that one can see them when they go to the "View adjustments" screen from a order header/line, but before the sales order has been imported.