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WebKit / WKWebExtension / WKWebExtension.MessagePort / WKWebExtension.MessagePort.Error

Contents

Declaration
Topics
See Also

WKWebExtension.MessagePort.Error

Constants that indicate errors in the Messageport domain.

Declaration

struct Error

Topics

Type Properties

errorDomain
messageInvalid
notConnected
unknown

Relationships

Conforms To

CustomNSError
Equatable
Error
Hashable
Sendable
SendableMetatype

See Also

Web extension errors

WKWebExtension.Error.Code
WKWebExtensionContext.Error.Code
WKWebExtension.DataRecord.Error.Code
WKWebExtension.DataRecord.Error
WKWebExtension.MatchPattern.Error.Code
WKWebExtension.MessagePort.Error.Code

Open on developer.apple.com

WebKitStructure

iOS 18.4+iPadOS 18.4+Mac Catalyst 18.4+macOS 15.4+visionOS 2.4+

Declaration
Topics
See Also

Relationships

Conforms To

CustomNSError
Equatable
Error
Hashable
Sendable
SendableMetatype

Built on 2026-08-05 · Snapshot snapshot-20260805-beta.2 (macOS 27.0) · Commit 4bc0d8f · by @g-cqd · based on Apple Developer Documentation