DMEE Issue

HiCould you please guide how in DMEE in -<CdtrAcct> node how to update key+ bank account number together.

</Cdtr> -<CdtrAcct> -<Id> -<Othr> <Id>012180004451062653</Id> </Othr> </Id> -<Tp> <Prtry>05</Prtry> </Tp> </CdtrAcct>

e.g: Currently its updating only vendor bank account field in this node .If I would add bank key then what setting I need to change in DMEE.

e.g vendor bank account is 002006241013 and bank key is 012914. Requirement is first bank key then bank account number needs to update in this field 012914002006241013 in the above yellow marked field.

Kindly assist.