Create multiple posts from a single form submission

I was looking to see how your plugin could achieve this task, and was really excited upon seeing the links in your documentation, only to find to my surprise, the post was taken down.

Has this feature been deprecated or why is it no longer on your docs site?
It isn’t even on the new docs site either — https://advancedforms.github.io/guides/

The page I need help with: [log in to see the link]