Edit file File name : CaptiveFlow.php Content :<?php namespace NewfoldLabs\WP\Module\ECommerce\Partials; use NewfoldLabs\WP\Module\ECommerce\Permissions; class CaptiveFlow { static $PAYPAL_CAPTIVE_FLOW = 'nfd-ecommerce-captive-flow-paypal'; static $SHIPPO_CAPTIVE_FLOW = 'nfd-ecommerce-captive-flow-shippo'; static $RAZORPAY_CAPTIVE_FLOW = 'nfd-ecommerce-captive-flow-razorpay'; public static function init() { add_action( 'admin_menu', array( __CLASS__, 'register_page' ) ); add_action( 'rest_api_init', array( __CLASS__, 'register_options' ) ); add_action( 'load-admin_page_' . self::$PAYPAL_CAPTIVE_FLOW, array( __CLASS__, 'enqueue_styles' ), 100 ); add_action( 'load-admin_page_' . self::$SHIPPO_CAPTIVE_FLOW, array( __CLASS__, 'enqueue_styles' ), 100 ); } public static function register_options() { \register_setting( 'general', 'woocommerce_razorpay_settings', array( 'show_in_rest' => array( 'schema' => array( 'type' => 'object', 'properties' => array( 'enabled' => array( 'type' => 'string', ), 'title' => array( 'type' => 'string', ), 'description' => array( 'type' => 'string', ), 'key_id' => array( 'type' => 'string', ), 'key_secret' => array( 'type' => 'string', ), 'payment_action' => array( 'type' => 'string', ), 'order_success_message' => array( 'type' => 'string', ), 'enable_1cc_debug_mode' => array( 'type' => 'string', ), 'route_enable' => array( 'type' => 'string', ), ), ), ), 'type' => 'object', 'description' => __( 'NFD eCommerce RazorPay Options', 'wp-module-ecommerce' ), ) ); } public static function enqueue_styles() { \add_filter( 'admin_body_class', static function( $classes ) { return "$classes is-fullscreen-mode"; } ); \wp_enqueue_style( 'nfd-ecommerce-captive', NFD_ECOMMERCE_PLUGIN_URL . 'vendor/newfold-labs/wp-module-ecommerce/includes/Partials/template.css', null, '1', 'screen' ); } public static function register_page() { \add_submenu_page( '', '', '', Permissions::ADMIN, self::$PAYPAL_CAPTIVE_FLOW, array( __CLASS__, 'render_paypal' ), 100 ); \add_submenu_page( '', '', '', Permissions::ADMIN, self::$SHIPPO_CAPTIVE_FLOW, array( __CLASS__, 'render_shippo' ), 100 ); } public static function render_paypal() { echo PHP_EOL; echo '<div id="nfd-ecommerce" class="nfd-ecommerce-captive-flow">'; echo do_action( self::$PAYPAL_CAPTIVE_FLOW ); echo '</div>'; echo PHP_EOL; } public static function render_shippo() { echo PHP_EOL; echo '<div id="nfd-ecommerce" class="nfd-ecommerce-captive-flow">'; echo do_action( self::$SHIPPO_CAPTIVE_FLOW ); echo '</div>'; echo PHP_EOL; } } Save