Details related to Smart campaigns that are eligible to serve.

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

| Fields ||
|---|---|
| ## `end_date_time` | `string` The timestamp of when the campaign will end, if applicable. The timestamp is in the customer's timezone and in "yyyy-MM-dd HH:mm:ss" format. |
| ## `last_impression_date_time` | `string` The timestamp of the last impression observed in the last 48 hours for this campaign. The timestamp is in the customer's timezone and in "yyyy-MM-dd HH:mm:ss" format. |