Retrieves the amount of back in stock requests for a given catalogReference item.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
catalogReference items to retrieve the notification request for.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.