How do I create FX revaluation entries

I just realised the FX revaluation entries are generated automatically without an account code. I like the FX revaluation be be generated into an designated P/L account code monthly. How do I do?

If you draw your P&L monthly the auto FX entries will reflect monthly revaluations. If you want to be particular about the account name/ code, you can simply go to Settings > Chart of Accounts and edit the built-in account