code: def _process_panel_group_configuration(self, config):
          
          panel_group_slug = config.get('PANEL_GROUP')
          try:
              dashboard = config.get('PANEL_GROUP_DASHBOARD')
              if not dashboard:
                  LOG.warning("Skipping %s because it doesn't have "
                              "PANEL_GROUP_DASHBOARD defined.", config.__name__)
                  return
              dashboard_cls = self.get_dashboard(dashboard)
  
              panel_group_name = config.get('PANEL_GROUP_NAME')
              if not panel_group_name:
                  LOG.warning("Skipping %s because it doesn't have "
                              "PANEL_GROUP_NAME defined.", config.__name__)
                  return
              # Create the panel group class
              panel_group = type(panel_group_slug,
                                 (PanelGroup, ),
                                 {'slug': panel_group_slug,
                                  'name': panel_group_name,
                                  'panels': []},)
              # Add the panel group to dashboard
              panels = list(dashboard_cls.panels)
              panels.append(panel_group)
              dashboard_cls.panels = tuple(panels)
              # Trigger the autodiscovery to completely load the new panel group
              dashboard_cls._autodiscover_complete = False
              dashboard_cls._autodiscover()
          except Exception as e:
              LOG.warning('Could not process panel group %(panel_group)s: '
                          '%(exc)s',
                          {'panel_group': panel_group_slug, 'exc': e})
docs: Adds a panel group to the dashboard.