> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/AudienceInsightsAttributeMetadata).

An audience attribute, with metadata about it, returned in response to a search.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/common/audience_insights_attribute.proto)

| Fields ||
|---|---|
| ## `attribute` | `AudienceInsightsAttribute` The attribute itself. |
| ## `dimension` | `AudienceInsightsDimension` The type of the attribute. |
| ## `dimension_metadata` Union field. Metadata specific to the dimension of this attribute. `dimension_metadata` can be only one of the following: ||
| ### `knowledge_graph_attribute_metadata` | `KnowledgeGraphAttributeMetadata` Special metadata for a Knowledge Graph Entity. |
| ### `lineup_attribute_metadata` | `LineupAttributeMetadata` Special metadata for a YouTube Lineup. |
| ### `location_attribute_metadata` | `LocationAttributeMetadata` Special metadata for a Location. |
| ### `user_interest_attribute_metadata` | `UserInterestAttributeMetadata` Special metadata for a User Interest. |
| ### `user_list_attribute_metadata` | `UserListAttributeMetadata` Special metadata for a User List. |
| ### `youtube_channel_metadata` | `YouTubeChannelAttributeMetadata` Special metadata for a YouTube channel. |
| ### `youtube_video_metadata` | `YouTubeVideoAttributeMetadata` Special metadata for a YouTube video. |
| ## `display_info` | `string` A string that supplements the display_name to identify the attribute. If the dimension is TOPIC, this is a brief description of the Knowledge Graph entity, such as "American singer-songwriter". If the dimension is CATEGORY, this is the complete path to the category in The Product \& Service taxonomy, for example "/Apparel/Clothing/Outerwear". |
| ## `display_name` | `string` The human-readable name of the attribute. |
| ## `potential_youtube_reach` | `int64` An estimate of the number of reachable YouTube users matching this attribute in the requested location, or zero if that information is not available for this attribute. This field is not populated in every response. |
| ## `subscriber_share` | `double` The share of subscribers within this attribute, between and including 0 and 1. This field is not populated in every response. |
| ## `viewer_share` | `double` The share of viewers within this attribute, between and including 0 and 1. This field is not populated in every response. |