//Step one- you need to create a page and grab its page id
//Step two - paste the set of functions in your functions.php file
//Step - In this example Vidoe is the page and it's the end point
// create a custom end point in the My Accunt Page
function custom_wc_end_point() {
    if(class_exists('WooCommerce')){
    add_rewrite_endpoint('videos', EP_ROOT | EP_PAGES );
    add_rewrite_endpoint('new_one', EP_ROOT | EP_PAGES );
}
}
add_action( 'init', 'custom_wc_end_point' );
function custom_endpoint_query_vars( $vars ) {
    $vars[] = 'videos';
     $vars[] = 'new_one';
    return $vars;
}
add_filter( 'query_vars', 'custom_endpoint_query_vars', 0 );
function ac_custom_flush_rewrite_rules() {
    flush_rewrite_rules();
}
add_action( 'after_switch_theme', 'ac_custom_flush_rewrite_rules' );
// add the custom endpoint in the my account nav items
function custom_endpoint_acct_menu_item( $items ) {

    $logout = $items['customer-logout'];
    unset( $items['customer-logout'] );
    $items['videos'] = __( 'Videos', 'woocommerce' ); // replace videos with your endpoint name
    $items['new_one'] = __( 'New One', 'woocommerce' ); // replace videos with your endpoint name
    $items['customer-logout'] = $logout;
        return $items;
}
add_filter( 'woocommerce_account_menu_items', 'custom_endpoint_acct_menu_item' );
// fetch content from your source page (in this case video page)
function fetch_content_custom_endpoint() {
    global $post;
    $id = "987452884"; // your video page id
    ob_start();
    $output = apply_filters('the_content', get_post_field('post_content', $id));
    $output .= ob_get_contents();
    ob_end_clean();
    echo $output;
}
add_action( 'woocommerce_account_videos_endpoint', 'fetch_content_custom_endpoint' );

function fetch_content_custom_endpoint_two() {
    global $post;
    $id = "987452490"; // your new one page id
    ob_start();
    $output = apply_filters('the_content', get_post_field('post_content', $id));
    $output .= ob_get_contents();
    ob_end_clean();
    echo $output;
}
add_action( 'woocommerce_account_new_one_endpoint', 'fetch_content_custom_endpoint_two' );