AI-generated Key Takeaways
- 
          Audience composition insights reports group related attributes into clusters. 
- 
          Each cluster has a display name, and for YouTube channel dimensions, includes cluster-wide metrics. 
- 
          Individual attributes within a cluster have their own metadata and metrics. 
A collection of related attributes, with metadata and metrics, in an audience composition insights report.
| Fields | |
|---|---|
| 
 | 
 The name of this cluster of attributes | 
| 
 | If the dimension associated with this cluster is YOUTUBE_CHANNEL, then cluster_metrics are metrics associated with the cluster as a whole. For other dimensions, this field is unset. | 
| 
 | The individual attributes that make up this cluster, with metadata and metrics. |