Sets settings.collectionStates.collectingRequests to true for given appId.
When the collection state is set to true, collecting requests is enabled and customers may request
notifications for out of stock products. While collecting is enabled, customers see a "Notify When Available"
button on out-of-stock items. Customers can click the button to enter their email address, which creates the
notification request.
You can only call this method when authenticated as a Wix app or Wix user identity.
There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.