code: def add_menu(self, menu):
          '''add to the default popup menu'''
          from MAVProxy.modules.mavproxy_map import mp_slipmap
          self.default_popup.add(menu)
          self.map.add_object(mp_slipmap.SlipDefaultPopup(self.default_popup, combine=True)f add_menu(self, menu):
          '''add to the default popup menu'''
          from MAVProxy.modules.mavproxy_map import mp_slipmap
          self.default_popup.add(menu)
          self.map.add_object(mp_slipmap.SlipDefaultPopup(self.default_popup, combine=True))
docs: add to the default popup menu