if understood question properly you can use Incremental query node to select new customers. First time execution will select all existing customers (or add condition on create date) and every new execution will return you only new customers which you can follow with Subscription Services node to give newsletter category.
if understood question properly you can use Incremental query node to select new customers. First time execution will select all existing customers (or add condition on create date) and every new execution will return you only new customers which you can follow with Subscription Services node to give newsletter category.
