code: async def _load_all_nodes(self):
          
          get_all_nodes_information = GetAllNodesInformation(pyvlx=self.pyvlx)
          await get_all_nodes_information.do_api_call()
          if not get_all_nodes_information.success:
              raise PyVLXException("Unable to retrieve node information")
          self.clear()
          for notification_frame in get_all_nodes_information.notification_frames:
              node = convert_frame_to_node(self.pyvlx, notification_frame)
              if node is not None:
                  self.add(node)
docs: Load all nodes via API.