devAsadNur

<?php
class My_Custom_My_Account_Endpoint {

	/**
	 * Custom endpoint name.
	 *
	 * @var string
	 */
	public static $endpoint = 'my-custom-endpoint';

devAsadNur

/* Add custom menu item and endpoint to WooCommerce My-Account page */

function my_custom_endpoints() {
    add_rewrite_endpoint( 'refunds-returns', EP_ROOT | EP_PAGES );
}

add_action( 'init', 'my_custom_endpoints' );

// so you can use is_wc_endpoint_url( 'refunds-returns' )
add_filter( 'woocommerce_get_query_vars', 'my_custom_woocommerce_query_vars', 0 );

devAsadNur

<?php                                                                                                                                                                                          
/*
Plugin Name: WP_Rewrite endpoints demo
Description: A plugin giving example usage of the WP_Rewrite endpoint API
Plugin URI: http://make.wordpress.org/plugins/2012/06/07/rewrite-endpoints-api/
Author: Jon Cave
Author URI: http://joncave.co.uk/
*/

function makeplugins_endpoints_add_endpoint() {