> [!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/ForecastAdGroup).

An ad group that is part of a campaign to be forecasted.

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

| Fields ||
|---|---|
| ## `keywords[]` | `KeywordInfo` Required. The list of keywords to be used in the ad group when doing the forecast. Requires at least one keyword. |