Starts the actual import process for a loyalty import.
Call this method after the loyalty import object reaches the "PARSED" status.
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:
Loyalty import ID.
This method doesn't return any custom errors, but may return standard errors. Learn more about standard Wix errors.