Representation of In-feed video ad format.

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

| Fields ||
|---|---|
| ## `description1` | `string` First text line for the ad. |
| ## `description2` | `string` Second text line for the ad. |
| ## `headline` | `string` The headline of the ad. |
| ## `thumbnail` | `https://developers.google.com/google-ads/api/reference/rpc/v26/VideoThumbnailEnum.VideoThumbnail` Video thumbnail image to use. |