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/v25/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. |