You can use a Timer configurable service to control the storage of events for TimeoutNotification and TimeoutControl nodes.
By default, the storage queue used by all timeout nodes is the SYSTEM.BROKER.TIMEOUT.QUEUE.
However, you can control the queues that are used by different timeout nodes by creating alternative queues that contain a QueuePrefix variable, and by using a Timer configurable service to specify the names of those queues for storing events.
Follow these steps to specify the queue that is used to store event states: