Information about a campaign being upgraded to Performance Max.

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

| Fields ||
|---|---|
| ## `performance_max_campaign` | `string` Output only. The resource name of the Performance Max campaign the campaign is upgraded to. |
| ## `pre_upgrade_campaign` | `string` Output only. The resource name of the legacy campaign upgraded to Performance Max. |
| ## `status` | `https://developers.google.com/google-ads/api/reference/rpc/v25/PerformanceMaxUpgradeStatusEnum.PerformanceMaxUpgradeStatus` Output only. The upgrade status of a campaign requested to be upgraded to Performance Max. |