Instance PropertyFoundationEssentials
ianaName
iOS 26.0+
iPadOS 26.0+
Mac Catalyst 26.0+
macOS 26.0+
tvOS 26.0+
visionOS 26.0+
watchOS 26.0+
The name of this encoding that is compatible with the one of the IANA registry “charset”.
var ianaName: String? { get }