> [!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/ApplyRecommendationOperation.RaiseTargetCpaBidTooLowParameters).

Parameters to use when applying a raise target CPA bid too low recommendation. The apply is asynchronous and can take minutes depending on the number of ad groups there is in the related campaign..

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

| Fields ||
|---|---|
| ## `target_multiplier` | `double` Required. A number greater than 1.0 indicating the factor by which to increase the target CPA. This is a required field. |