OptionalamountThe amount in decimal form. For example 2.00. There are no guarantees on the precision unless documented by the message origin. The amount cannot be updated and is read-only.
OptionalcurrencyThe 3-letter currency code defined in <a href="https://www.iso.org/iso-4217-currency-codes.html\" target="_blank">ISO 4217.
An object giving details on currency code and the amount charged.