Optional
callbackAn optional function that will handle messages. Typically, messages are processed via an async iterator on the subscription. If this option is provided, messages are processed by the specified function.
Optional
maxOptional maximum number of messages to deliver to the subscription before it is auto-unsubscribed.
Optional
queueOptional queue name (subscriptions on the same subject that use queues are horizontally load balanced when part of the same queue).
Optional
slowNumber of pending messages in a subscription to exceed prior to considering a subscription a Slow Consumer. By default, slow consumer is on a subscription is not accounted for.
This is an experimental option.
Optional
timeoutOptional maximum number of milliseconds before a timer raises an error. This useful to monitor a subscription that is expected to yield messages. The timer is cancelled when the first message is received by the subscription.
Subscription Options