you can create a key binding for right mouse button action.
in order to use successfully on your slave you need to zoom all the way in, look straight down, and put you mouse cursor in the center of the screen.

when you press the key binding it will loot or interact with objects that are located under where you left the cursor.

/script SetBinding("L", "TURNORACTION")
/script SaveBindings(1)

change the "L" to whatever button you want ex. "k"