Each article can get automatically generated table of contents. If you would like to get one for all your articles, you can easily enable it by following the steps below.
Navigate to Customize -> Article from the Settings menu in your help center dashboard.
Adjust the value of the Show table of contents control as you wish between the 3 available options.
You can enable for all articles, only for the ones that have 3 or more top-level headings or completely disable by by choosing the option Never.
A top-level heading is considered only the h2 element. Here's how to create one:
