Hey again :). Well your students want to get really dirty with stuff. I like it :).
Here is a little vid based on the tutorial you watched. I extended it with minor additions. This tutorial is only taking component tags into account. If you have a blueprint you want to modify or a whole actor, you can replace the “component has tag” with “actor has tag”. Then in your actor blueprint you search for tag, but under the section “Actor” and add the tag you specified in your player blueprint.
Notice: The stuff after 4:35 is not important at all. I just screwed up my own test. The blueprint is 100% functioning.
Hope I could be of help.