WordPress - add admin page endpoint

wc-add-admin-page-endpoint.php

/**
 * Account menu items.
 *
 * @param arr $items
 *
 * @return arr
 */
function swd_account_menu_items($items)
{
    $items['profile'] = 'Profile';
    return $items;
}
add_filter('woocommerce_account_menu_items', 'swd_account_menu_items', 10, 1);

/**
 * Add 'profile' endpoint.
 */
function swd_wc_add_my_account_endpoint()
{
    add_rewrite_endpoint('profile', EP_PAGES);
}
add_action('init', 'swd_wc_add_my_account_endpoint');

/**
 * My Account > profile content.
 */
function swd_wc_profile_endpoint_content()
{
    wc_get_template('myaccount/profile.php');
}
add_action('woocommerce_account_profile_endpoint', 'swd_wc_profile_endpoint_content');