1. how to create User Exit for Transaction Code ME23n, Adding the custom fields in customer data tab in header level of the purchase order.
2. how to Develope BADI for Quantity modification using Transaction ME21.
3.how to create Userexit_move_field_to_vbap (T-Code VA01) Price should be populated for any material only if the material is quoted in the quotation and the customers coming under the price list u201902.
