> [!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/BenchmarksSource).

The source used to generate benchmarks metrics for. The ID of the source can be obtained from `BenchmarksService.ListBenchmarksSources`.

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

| Fields ||
|---|---|
| ## `benchmarks_source_id` Union field. The ID of the chosen benchmarks source. `benchmarks_source_id` can be only one of the following: ||
| ### `industry_vertical_id` | `int64` The ID of the Industry Vertical. |