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External event subscriptions are created when a Flow has a trigger that reacts to external events and the flow is enabled. Subscription is automatically disabled (and un-subscribed) when there are no more flows that need it. You can find the list of subscriptions and information about each of them here: External Event Subscriptions. Integration engine automatically de-duplicates subscriptions. If multiple elements need the same subscription, we create only one subscription and share it between them. For example, if multiple flows are subscribed to updates of data records in the same collection, only one subscription will be created.

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Automatic Resubscription

When you update the parameters of a data source instance (for example, changing collection parameters in the list view), Membrane automatically:
  1. Unsubscribes from the existing external event subscription
  2. Creates a new external event subscription based on the updated parameters
This ensures your external event subscriptions always stay in sync with your data source configurations without requiring manual updates.