AI-generated Key Takeaways
- 
          Describes the statuses for recommendation subscriptions. 
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          Subscriptions can be in unspecified, unknown, enabled, or paused states. 
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          Enabled subscriptions automatically apply recommendations, while paused ones do not. 
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          Subscriptions cannot be deleted once created, only switched between enabled and paused states. 
Enum describing recommendation subscription statuses.
| Enums | |
|---|---|
| 
 | Not specified. | 
| 
 | Output-only. Represents a format not yet defined in this enum. | 
| 
 | A subscription in the enabled state will automatically apply any recommendations of that type. | 
| 
 | Recommendations of the relevant type will not be automatically applied. Subscriptions cannot be deleted. Once created, they can only move between enabled and paused states. |