> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/UserInterest).

A user interest: a particular interest-based vertical to be targeted.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/resources/user_interest.proto)

| Fields ||
|---|---|
| ## `availabilities[]` | `CriterionCategoryAvailability` Output only. Availability information of the user interest. This field is empty when `launched_to_all` is true, or when `launched_to_all` is false and the user interest is not generally available for targeting (for example, deprecated or restricted user interests). When `launched_to_all` is false and the user interest is launched only to specific channels or locales, this field lists those availabilities. |
| ## `launched_to_all` | `bool` Output only. True if the user interest is launched to all channels and locales. When true, `availabilities` is empty. When false, `availabilities` is populated for user interests that are launched only to specific channels or locales, and is empty if the user interest is not generally available for targeting (for example, deprecated or restricted user interests). |
| ## `name` | `string` Output only. The name of the user interest. |
| ## `resource_name` | `string` Output only. The resource name of the user interest. User interest resource names have the form: `customers/{customer_id}/userInterests/{user_interest_id}` |
| ## `taxonomy_type` | `UserInterestTaxonomyType` Output only. Taxonomy type of the user interest. |
| ## `user_interest_id` | `int64` Output only. The ID of the user interest. |
| ## `user_interest_parent` | `string` Output only. The parent of the user interest. |