> [!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/FinalAppUrl).

A URL for deep linking into an app for the given operating system.

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

| Fields ||
|---|---|
| ## `os_type` | `AppUrlOperatingSystemType` The operating system targeted by this URL. Required. |
| ## `url` | `string` The app deep link URL. Deep links specify a location in an app that corresponds to the content you'd like to show, and should be of the form {scheme}://{host_path} The scheme identifies which app to open. For your app, you can use a custom scheme that starts with the app's name. The host and path specify the unique location in the app where your content exists. Example: "exampleapp://productid_1234". Required. |