Cancels any remaining actions for multiple events at once, given a trigger key and the events' external entity IDs.
Each external entity ID is processed independently, so some cancellations can succeed while others fail. Check bulkActionMetadata for the success and failure totals.
To cancel a single event, call Cancel Event.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.