Parameters to use when applying a forecasting set target roas recommendation.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v26/services/recommendation_service.proto)

| Fields ||
|---|---|
| ## `campaign_budget_amount_micros` | `int64` New campaign budget amount to set for a campaign resource. |
| ## `target_roas` | `double` New target ROAS (revenue per unit of spend) to set for a campaign resource. The value is between 0.01 and 1000.0, inclusive. |