StructureFoundationEssentials
NotificationCenter.BaseMessageIdentifier
iOS 26.0+
iPadOS 26.0+
Mac Catalyst 26.0+
macOS 26.0+
tvOS 26.0+
visionOS 26.0+
watchOS 26.0+
A type for use when defining optional Message identifiers.
struct BaseMessageIdentifier<MessageType>
Overview
See NotificationCenter.MessageIdentifier for an example of how to use this type when defining your own message identifiers.
Topics
Initializers
Relationships
Conforms To
NotificationCenter.MessageIdentifierSwift.SendableSwift.SendableMetatype