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# save(_:completionHandler:)

Saves a specific subscription.

```
func save(_ subscription: CKSubscription, completionHandler: @escaping @Sendable (CKSubscription?, (any Error)?) -> Void)
```

## Parameters

`subscription`

The subscription to save.

`completionHandler`

The closure to execute after CloudKit saves the subscription.

## Discussion

The completion handler takes the following parameters:

- The saved subscription (as it appears on the server), or `nil` if there’s an error.
- An error if a problem occurs, or `nil` if CloudKit successfully saves the subscription.

For information on a more convenient way to save subscriptions, see [`modifySubscriptions(saving:deleting:)`](/documentation/CloudKit/CKDatabase/modifySubscriptions(saving:deleting:)).

---

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