by selecting I mean like in a rts, and yes LineTrace. I did some screen of what I have for now.
In fact I call a widget when I look at one of my AI with several orders (follow me, defend, …)
Widget :
https://i.imgur.com/jK1YGmA.png
the line trace leading to my selection event and the “get all actor”:
https://i.imgur.com/Kit1dd1.png
and the selection event on my Ai :