I have a requirement to show new field(string) in the header data in the show journals screen. The data for this field will be created in the cartview before making the payment.
On my analysis i came to know that cartview is using crt.salestransaction table so i am updating the table directly by extending the CRT.
The same filed i have to show in the transaction header data from showjournal screen. I did some analysis and found that the transaction is deleted from the crt.salestransaction table once we complete the transaction(Tender payment).
I feel that i have to extend both the cart and the salestransaction entity for this requirement.
Any ideas how we can achieve this.