List.md

1. Organise the fields and and the relationships.
2. Flows.
3. Triggers
4. Voucher Validation Trigger Done
5. Field in Order --> Calculate total Amount after Voucher Addition
6. Invoice Fields, Amount with and without Voucher
7. Voucher and Order Relation Create
8. Once a voucher is applied, make it inactive.
9. Edit the "Voucher Validation Trigger" and implement Discounted Amount
10. Default value of the Discount Applied field is 0 Done
11. Price Book Entry Feature in Admin.