Metadata associated with a Knowledge Graph Entity attribute.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/common/audience_insights_attribute.proto)

| Fields ||
|---|---|
| ## `entity_capabilities[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/InsightsKnowledgeGraphEntityCapabilitiesEnum.InsightsKnowledgeGraphEntityCapabilities` The capabilities of the entity used in `https://developers.google.com/google-ads/api/reference/rpc/v26/ContentCreatorInsightsService`. |
| ## `related_categories[]` | `https://developers.google.com/google-ads/api/reference/rpc/v26/AudienceInsightsAttributeMetadata` A list of CATEGORY attributes related to this entity. |