This function comes from WooCommerce, not our theme. You can read more about it here https://docs.woocommerce.com/wc-apidocs/class-WC_AJAX.html
Regards
This function comes from WooCommerce, not our theme. You can read more about it here https://docs.woocommerce.com/wc-apidocs/class-WC_AJAX.html
Regards