> [!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/DemandGenCarouselCardAsset).

A Demand Gen Carousel Card asset.

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

| Fields ||
|---|---|
| ## `call_to_action_text` | `string` Call to action text. |
| ## `headline` | `string` Required. Headline of the carousel card. |
| ## `marketing_image_asset` | `string` Asset resource name of the associated 1.91:1 marketing image. Either this image, or the square marketing image, or both, is required. Temporary IDs are not supported. Only existing image assets can be referenced. |
| ## `portrait_marketing_image_asset` | `string` Asset resource name of the associated 4:5 portrait marketing image. Temporary IDs are not supported. Only existing image assets can be referenced. |
| ## `square_marketing_image_asset` | `string` Asset resource name of the associated square marketing image. Either this image, or the 1.91:1 marketing image, or both, is required. Temporary IDs are not supported. Only existing image assets can be referenced. |