code: def get_listing_api(self, resource):
          
  
          get_all_params = self.get_listing_parameters(resource)
  
          get_all_api = {
              'path': '/%s/' % resource.get_api_name(),
              'description': 'Operations on %s' % resource.model.__name__,
              'operations': [
                  {
                      'httpMethod': 'GET',
                      'nickname': 'list%ss' % resource.model
                      .__name__,
                      'summary': 'Find %ss' % resource.model.__name__,
                      'parameters': get_all_params,
                  }
              ]
          }
  
          return get_all_api
docs: Generates the meta descriptor for the resource listing api.