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WebKit / WKWebExtension / WKWebExtension.MessagePort / WKWebExtension.MessagePort.Error / WKWebExtension.MessagePort.Error.Code / WKWebExtension.MessagePort.Error.Code.notConnected

WKWebExtension.MessagePort.Error.Code.notConnected

Indicates that the message port is disconnected.

Declaration

case notConnected

Open on developer.apple.com

WebKitCase

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

Built on 2026-05-07