If you also accept payments in foreign currencies, you can set your own exchange rates here. In the closing balance, another currency appears as the CZK.
EXAMPLE: The total closing in cash will be CZK 34 000, EUR 10 was paid during the day, and your exchange rate for this currency is CZK 23. Physically, you will have 33 770 CZK and 10 EUR = 34 000 CZK.
If your customer will pay cash in euros, for example, in the "Finish payment" window in the checkout, you first select the currency and then choose the type of payment (cash/card).
On the calculator, you enter the amount you receive from the customer and the system immediately calculates the amount to be refunded in CZK. Once you confirm the payment, the account will be closed.