> [!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.MaximizeConversionValue).

An automated bidding strategy to help get the most conversion value for your campaigns while spending your budget.

[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 target return on ad spend (ROAS) option. If set, the bid strategy will maximize revenue while averaging the target return on ad spend. If the target ROAS is high, the bid strategy may not be able to spend the full budget. If the target ROAS is not set, the bid strategy will aim to achieve the highest possible ROAS for the budget. |