# init(style:allowedUnits:spellsOutZero:includesActualByteCount:locale:) Initializes an attributed byte count format style. ``` init(style: Measurement.AttributedStyle.ByteCount.Style, allowedUnits: Measurement.AttributedStyle.ByteCount.Units, spellsOutZero: Bool, includesActualByteCount: Bool, locale: Locale) ``` ## Parameters `style` The style of byte count to express, such as memory or file system storage. `allowedUnits` The units the format style can use to express the byte count. `spellsOutZero` A Boolean value that indicates whether the format style should spell out zero-byte values as text, like `Zero kB`. `includesActualByteCount` A Boolean value that indicates whether the format style should include the exact byte count, in addition to expressing it in terms of units. For example, `1 kB (1,024 bytes)`. `locale` The locale to use to format the numeric part of the byte count. --- 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)