AI-generated Key Takeaways
- 
          A campaign draft can have several statuses reflecting its current state, including PROPOSED, REMOVED, PROMOTING, PROMOTED, and PROMOTE_FAILED. 
- 
          The PROPOSED status is the initial state allowing changes without affecting serving, while REMOVED means the draft has been deleted. 
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          PROMOTING indicates that changes are being merged into the original campaign, which can result in either a PROMOTED status upon successful completion or a PROMOTE_FAILED status if issues occur. 
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          UNSPECIFIEDandUNKNOWNare general statuses indicating an unspecified or unknown value.
Possible statuses of a campaign draft.
| Enums | |
|---|---|
| 
 | The status has not been specified. | 
| 
 | Used for return value only. Represents value unknown in this version. | 
| 
 | Initial state of the draft, the advertiser can start adding changes with no effect on serving. | 
| 
 | The campaign draft is removed. | 
| 
 | Advertiser requested to promote draft's changes back into the original campaign. Advertiser can poll the long running operation returned by the promote action to see the status of the promotion. | 
| 
 | The process to merge changes in the draft back to the original campaign has completed successfully. | 
| 
 | The promotion failed after it was partially applied. Promote cannot be attempted again safely, so the issue must be corrected in the original campaign. |