Skip to main content

Apple Developer Docs

Fonts Symbols

Foundation / AttributeScopes / AttributeScopes.FoundationAttributes / AttributeScopes.FoundationAttributes.DurationFieldAttribute / AttributeScopes.FoundationAttributes.DurationFieldAttribute.Field / AttributeScopes.FoundationAttributes.DurationFieldAttribute.Field.microseconds

AttributeScopes.FoundationAttributes.DurationFieldAttribute.Field.microseconds

Declaration

case microseconds

Open on developer.apple.com

FoundationCase

iOS 16.0+iPadOS 16.0+Mac Catalyst 16.0+macOS 13.0+tvOS 16.0+visionOS 1.0+watchOS 9.0+

Built on 2026-05-07