Add a group of apps to Edge panel?

[amyf27]

Is there a way to add a group of apps to my edge panel? On my home screen, the following group is present. There are several cards in this folder so if I press it the folder opens up with the various apps. I can't see how to add this to the edge panel. It won't drag a d when pressing plus to add, I have only the option to pick from the main apps page.