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# init(subscriptionIDs:)

Creates an operation for fetching the specified subscriptions.

```
convenience init(subscriptionIDs: [CKSubscription.ID])
```

## Parameters

`subscriptionIDs`

An array of strings where each one is an ID of a subscription that you want to retrieve. This parameter sets the [`subscriptionIDs`](/documentation/CloudKit/CKFetchSubscriptionsOperation/subscriptionIDs-714ct) property’s value. If you specify `nil`, you must set the `subscriptionIDs` property before you execute the operation.

## Discussion

After creating the operation, assign a closure to the [`fetchSubscriptionCompletionBlock`](/documentation/CloudKit/CKFetchSubscriptionsOperation/fetchSubscriptionCompletionBlock-207ep) property to process the results.

---

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