code: def moveGamepadFocusToNeighbor(self, eDirection, ulFrom):
          
  
          fn = self.function_table.moveGamepadFocusToNeighbor
          result = fn(eDirection, ulFrom)
          return result
docs: Changes the Gamepad focus from one overlay to one of its neighbors. Returns VROverlayError_NoNeighbor if there is no
          neighbor in that direction