> [!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/AppEngagementAdInfo).

App engagement ads allow you to write text encouraging a specific action in the app, like checking in, making a purchase, or booking a flight. They allow you to send users to a specific part of your app where they can find what they're looking for easier and faster.

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

| Fields ||
|---|---|
| ## `descriptions[]` | `AdTextAsset` List of text assets for descriptions. When the ad serves the descriptions will be selected from this list. |
| ## `headlines[]` | `AdTextAsset` List of text assets for headlines. When the ad serves the headlines will be selected from this list. |
| ## `images[]` | `AdImageAsset` List of image assets that may be displayed with the ad. |
| ## `videos[]` | `AdVideoAsset` List of video assets that may be displayed with the ad. |