code: def get_visual_content(self, id_or_uri):
          
          uri = self._client.build_uri(id_or_uri) + "/visualContent"
          return self._client.get(uri)
docs: Gets a list of visual content objects describing each rack within the data center. The response aggregates data
          center and rack data with a specified metric (peak24HourTemp) to provide simplified access to display data for
          the data center.
  
          Args:
              id_or_uri: Can be either the resource ID or the resource URI.
  
          Return:
              list: List of visual content objects.