Before clicking on the bookmark event if we register the event, it works as expected.
How we can trigger bookmark event using Word VSTO Add-In with Visual Studio 2022?

Using Visual Studio 2022 C#, we have to write a Windows desktop application that allows the user to update bookmarked fields in existing Word templates, using macros to create pop-ups with text boxes for users to type in, or radio buttons to select options. We have 1700+ templates that we need to be able to use without making any changes.
We tried using Word VSTO Document but it doesn't give us the flexibility to create a generic application as it seems to be bound to the individual document.
We then tried Word VSTO Add-in but no event is triggered when the user selects the bookmark.
Please advise us on a suitable approach.