Before adding our plugin, the Woocommerce plugin must be activated on Wordpress.
To configure our plugin you must go to “WooCommerce → Settings”, where the Woocommerce configuration options will be displayed, and the “Payments” tab must be selected.
This tab shows all the payment options that WooCommerce offers with the one added by our plugin, as shown in the following image.
Click on "Manage", which will display the plugin configuration window, where you must add the credentials sent by Greenpay via email. As shown in the following image: