Logged in User name fetching in PO or any other Transaction Entry

While Preparing an any PO, Purchase Receipt, the transaction save by Logged in user., which is created by Mentioned in end of page, and submitted with different user. We need to print that Name in Purchase Order print format.
Ex . Prepared By :- Purna,Pendnekar
Authorised By :- Munir Bondare

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@dineshpanchal432

Check this thread -