open the local macOS help/user guide window programmatically

Question

Is there a way to open the macOS user guide/help of a specific topic on the machine itself?

For example I want to link this article from my application to the official Apple help: https://support.apple.com/guide/mac-help/mchlp2290/mac

Instead of opening the browser I would like to open the included macOS help window. Why? Because it's offline available, natively in macOS included, translated to the users language and includes useful links.

user_341994 · Answer

To display content in the built-in Help window, you need to include a "Help Book" in the app.

https://developer.apple.com/library/archive/documentation/Carbon/Conceptual/ProvidingUserAssitAppleHelp/user_help_intro/user_assistance_intro.html

Once you've done that, the "Help Book" can contain anchors, and you can call openHelpAnchor(_:inBook:) to open the Help window showing that anchor.

open the local macOS help/user guide window programmatically

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