That is a link to a document cloud system that is not longer supported, so just redirects to the default Adobe page. If you give us a link to the page were you found that link then we might be able to track it down.
Hi, I do have a number of Niall's samples, but not that one.
I have made one that show that functionality, hopefully it will help;
Niall has a lot of other samples on his website, though I didn't find that one,