i want to change "freecam" keybind (not sure what its called)

my right mouse button double clikcs alot and i cant find excactly what to search for in the keyboard shortcuts.

I did this youtube tut. It binds P to get the “free camera.” Then press again to toggle back to your character camera. Works in sidescroller too.

UE4 Tutorial: Ingame Debug Camera (free camera)