> [!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/SuggestBrandsRequest).

Request message for `BrandSuggestionService.SuggestBrands`.

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

| Fields ||
|---|---|
| ## `brand_prefix` | `string` Required. The prefix of a brand name. |
| ## `customer_id` | `string` Required. The ID of the customer onto which to apply the brand suggestion operation. |
| ## `selected_brands[]` | `string` Optional. Ids of the brands already selected by advertisers. They will be excluded in response. These are expected to be brand ids not brand names. |