# CFNumberFormatterGetDecimalInfoForCurrencyCode(_:_:_:) Returns the number of fraction digits that should be displayed, and the rounding increment, for a given currency. ``` func CFNumberFormatterGetDecimalInfoForCurrencyCode(_ currencyCode: CFString!, _ defaultFractionDigits: UnsafeMutablePointer!, _ roundingIncrement: UnsafeMutablePointer!) -> Bool ``` ## Parameters `currencyCode` A string containing a ISO 4217 3-letter currency code. For example, AUD for Australian Dollars, EUR for Euros. `defaultFractionDigits` Upon return, contains the number of fraction digits that should be displayed for the currency specified by `currencyCode`. `roundingIncrement` Upon return, contains the rounding increment for the currency specified by `currencyCode`, or `0.0` if no rounding is done by the currency. ## Return Value `true` if the information was obtained successfully, otherwise `false` (for example, if the currency code is unknown or the information is not available). ## Discussion The returned values are not localized because these are properties of the currency. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)