"Local view" hotkey, but everywhere

I want the “/” hotkey (“local view” or “isolate”) to work in MOST places in Blender, not only when over the 3dView. I want it to change the 3d View but I don’t want to be forced to have my cursor over that window when I’m using it.

(I thought I had got this working once, but…) In the Hotkey editor, here’s what I got:

Apparently just putting the same command in the Outliner section will not have the same effect. What needs to be added to this so pressing numpad “/” while over the Outliner results in the 3dView getting “local viewed” to the current Object?