About order status

Hello,

I have an e-commerce site with Woocommerce infrastructure. We have been using the Sellix Pay plugin for a few days and we are very satisfied, but there is a problem. When customers make a successful payment, the order status changes to “Completed” after “pending payment”. I want it to be as “Processing” instead. How can I do that? because we do manual delivery to customers and when they have a “Completed” status they get an email that their order is complete and they worry. We don’t want to be constantly online and have to deal with manually changing “Processing”. Can you please help?

Regards,