An audience attribute that can be used to request insights about the audience. Valid inputs for these fields are available from `https://developers.google.com/google-ads/api/reference/rpc/v25/AudienceInsightsService/ListAudienceInsightsAttributes`.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/audience_insights_attribute.proto)

| Fields ||
|---|---|
| ## `attribute` Union field. An audience attribute. `attribute` can be only one of the following: ||
| ### `age_range` | `https://developers.google.com/google-ads/api/reference/rpc/v25/AgeRangeInfo` An audience attribute defined by an age range. |
| ### `category` | `https://developers.google.com/google-ads/api/reference/rpc/v25/AudienceInsightsCategory` An audience attribute defined by interest in a Product \& Service category. |
| ### `device` | `https://developers.google.com/google-ads/api/reference/rpc/v25/DeviceInfo` A device type. (Mobile, Desktop, Tablet) |
| ### `entity` | `https://developers.google.com/google-ads/api/reference/rpc/v25/AudienceInsightsEntity` An audience attribute defined by interest in a topic represented by a Knowledge Graph entity. |
| ### `gender` | `https://developers.google.com/google-ads/api/reference/rpc/v25/GenderInfo` An audience attribute defined by a gender. |
| ### `income_range` | `https://developers.google.com/google-ads/api/reference/rpc/v25/IncomeRangeInfo` A household income percentile range. |
| ### `lineup` | `https://developers.google.com/google-ads/api/reference/rpc/v25/AudienceInsightsLineup` A YouTube Lineup. |
| ### `location` | `https://developers.google.com/google-ads/api/reference/rpc/v25/LocationInfo` An audience attribute defined by a geographic location. |
| ### `parental_status` | `https://developers.google.com/google-ads/api/reference/rpc/v25/ParentalStatusInfo` A Parental Status value (parent, or not a parent). |
| ### `user_interest` | `https://developers.google.com/google-ads/api/reference/rpc/v25/UserInterestInfo` An Affinity or In-Market audience. |
| ### `user_list` | `https://developers.google.com/google-ads/api/reference/rpc/v25/UserListInfo` A User List. |
| ### `youtube_channel` | `https://developers.google.com/google-ads/api/reference/rpc/v25/YouTubeChannelInfo` A YouTube channel. |
| ### `youtube_video` | `https://developers.google.com/google-ads/api/reference/rpc/v25/YouTubeVideoInfo` A YouTube video. |