Message to hold a UI preview result.

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

| Fields ||
|---|---|
| ## `shareable_preview_url` | `string` The shareable preview URL. |