This feature is a part of Shopping Cart PRO. Click here to see all Shopping Cart PRO features.
You can customize the order complete message in Catalog Settings > Shopping Cart
This message is being sent to customer when the order is paid.
All our solutions are compatible with or without the WooCommerce Catalog Booster plugin.
The best if you are starting with your catalog development.
This is a simple solution for an extendable custom post type to create your catalog.