Sometimes you want to link to a specific section of a page. In that case, rather than using the typical Posts or Pages dropdown, use the Custom Links section.
First, you need to create a custom URL that will jump visitors down to the proper section. You’ll want to create what’s called an “anchor,” which you can do in the Block Editor. Then, you’ll add the anchor that you created to the end of your site URL with a # symbol. For example, if your anchor is “create-a-page-jump,” your URL will be https://example.com/#create-a-page-jump.
Paste this into the custom links bar, set its label, and click Add to Menu.