currency USD
currency EUR
account CashUSD: asset USD = 0
account CashEUR: asset EUR = 0
account RevenueUSD: revenue USD = 0
account RevenueEUR: revenue EUR = 0
transaction MultiCurrency {
debit CashUSD 100 USD
credit RevenueUSD 100 USD
debit CashEUR 200 EUR
credit RevenueEUR 200 EUR
}