Syncing Data

This article provides instructions on how to create, retrieve, and cancel sync subscriptions:

• To get your active subscriptions, call the subscriptions method on the ditto.sync namespace. (Retrieving Subscriptions)

• To cancel a subscription, call cancel on its subscription object you instantiated when setting up your subscription. (Canceling Subscriptions)

• To confirm cancelation, call the isCancelled field on the subscription object. (Canceling Subscriptions)

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Creating Subscriptions

To register a new sync subscription in your app. For example, the following snippet demonstrates how to establish a subscription to sync updates to documents in the cars collection with a field of color set to the value blue:

Sync subscriptions also support argument injection using the :argument syntax in DQL:

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Retrieving Subscriptions

Retrieve active sync subscriptions by calling the subscriptions method on the ditto.sync namespace:

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Canceling Subscriptions

Check if a sync subscription is canceled by using the isCancelled field on the subscription object: