Enum describing the possible campaign primary status. Provides insight into why a campaign is not serving or not serving optimally. Modification to the campaign and its related entities might take a while to be reflected in this status.

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

| Enums ||
|---|---|
| ## `ELIGIBLE` | The campaign is eligible to serve. |
| ## `ENDED` | The user-specified time for this campaign to end has passed. |
| ## `LEARNING` | The automated bidding system is adjusting to user-specified changes to the campaign or associated entities. |
| ## `LIMITED` | The campaign or its associated entities are limited by user-specified settings. |
| ## `MISCONFIGURED` | The campaign or its associated entities have incorrect user-specified settings. |
| ## `NOT_ELIGIBLE` | The campaign is not eligible to serve. |
| ## `PAUSED` | The user-specified campaign status is paused. |
| ## `PENDING` | The campaign may serve in the future. |
| ## `REMOVED` | The user-specified campaign status is removed. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |