> [!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/AccessibleBiddingStrategy.TargetRoas).

An automated bidding strategy that helps you maximize revenue while averaging a specific target return on ad spend (ROAS).

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

| Fields ||
|---|---|
| ## `target_roas` | `double` Output only. The chosen revenue (based on conversion data) per unit of spend. |