How to exactly configure mail settings in WooCommerce RMA for WCFM?

We are providing an automated email system. In an automated mail system, we have provided a mail configuration setting form. There, merchants can write or customize text and settings that he/she wants to send to customers when he/she is approved, cancel and so on. 

These emails provide communication between customer and merchant. Go to WooCommerce >> RMA Configuration >> Mail Configuration setting -> And from this setting, you can set the complete mail setting for WooCommerce refund and exchange (WooCommerce RMA) process.