> [!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/SuggestSmartCampaignAdRequest).

Request message for `SmartCampaignSuggestService.SuggestSmartCampaignAd`.

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

| Fields ||
|---|---|
| ## `customer_id` | `string` Required. The ID of the customer. |
| ## `suggestion_info` | `SmartCampaignSuggestionInfo` Required. Inputs used to suggest a Smart campaign ad. Required fields: final_url, language_code, keyword_themes. Optional but recommended fields to improve the quality of the suggestion: business_setting and geo_target. |