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subscribeOnce(eventType, subscriptionItem, subscriptionItemName)

Updated on July 20, 2021

Notifies the subscription item only once when a specific type of event occurs.


Not applicable.


eventTypestringThe type of event that occurs.
subscriptionItemfunctionThe subscription item that must be notified.
subscriptionItemNamefunctionThe unique name or ID used to identify the subscription item.

Usage example

In this example, the API notifies the subscriptionItem only once when an event of type eventType occurs.

  • Previous topic subscribe(eventType, subscriptionItem, subscriptionItemName, subscribeOnce, contextName)
  • Next topic unsubscribe(eventType, subscriptionItemName, contextName)

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