New PO smartform requirement

Dear Expert,

We have a new PO smart form requirement to pick the amount ( 11 EUR from in below example) from the condition type "Net value incl. tax" which is having dependency on other pricing condition like PB00, NAVS etc.,

from the functional team prospective we need to provide table level information to the programmer on how this amount needs to fetched. While checking for the table info I found below

Field Data

Table Name KOMV

Table category Struct.

Field Name KBETR

Data Element KBETR

Also understand table "KONV" holds data of condition type. How can the abap team fetch this (11 EUR) to the new smart form.? with reference to what table.? Kindly suggest

Display view "Procedure" overview

Display tab from the purchase order

Thanks

Jenny