Thanks for pointing that out.
Certainly this method does not give us the answers we are currently expecting.
This article was originally posted in Japan quite some time ago, so it certainly would have worked in past versions.
Anyway, I will try to rewrite this article so that it works as expected in the latest version.

Thanks, Iryna
You are right.

Alexey
This is actually a quite old article so that it includes old things
Now we don't need to care about V5.0 thingss at all.

Hi, Ben

Thank you for your comment.

I have slightly rewritten the content based on your suggestion

Hi, Evgeny

Thanks for your comment.

I have slightly changed the content based on your suggestion.