A Sitelink asset.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/common/asset_types.proto)

| Fields ||
|---|---|
| ## `ad_schedule_targets[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/AdScheduleInfo` List of non-overlapping schedules specifying all time intervals for which the asset may serve. There can be a maximum of 6 schedules per day, 42 in total. |
| ## `description1` | `string` First line of the description for the sitelink. If set, the length should be between 1 and 35, inclusive, and description2 must also be set. |
| ## `description2` | `string` Second line of the description for the sitelink. If set, the length should be between 1 and 35, inclusive, and description1 must also be set. |
| ## `end_date` | `string` Last date of when this asset is effective and still serving, in yyyy-MM-dd format. |
| ## `link_text` | `string` Required. URL display text for the sitelink. The length of this string should be between 1 and 25, inclusive. |
| ## `start_date` | `string` Start date of when this asset is effective and can begin serving, in yyyy-MM-dd format. |