RMA WITHOUT CREDIT MEMO| Return sale order without credit memo

A requirement has come from client as follows: No need of credit memo creation while performing RMA transaction.
so, i have followed an article provided by the oracle on "RMA without credit memo" and i have added link below.
https://docs.oracle.com/en/cloud/saas/supply-chain-and-manufacturing/24a/faiom/return-sales-orders-without-credit-memo.html#Set-up-the-Lookup
I have done all the setup provided in the above link. But still, I am not able to get the results as provided.

Kindly provide me a solution.