ServiceNow Knowledge: Create Anchor (Internal) Links in an Article
Lengthy articles that contain a table of contents (TOC) are easier to scan and easier to navigate using adaptive technology. You can make a table of contents by creating anchor tags (jump-to locations) and internal links.
Note: ServiceNow does NOT use standard anchor tagging or link references.
Unless the article is short, if it has two or more headings, include a TOC. For example: