Easily Extend Woocommerce Account Page With Custom Menu And Template

code.php

<?php

function streamium_add_watchlist_endpoint() {

    add_rewrite_endpoint( 'watchlist', EP_ROOT | EP_PAGES );

}
  
add_action( 'init', 'streamium_add_watchlist_endpoint' );
  

function streamium_account_query_vars( $vars ) {
    
    $vars[] = 'watchlist';
    
    return $vars;

}
  
add_filter( 'query_vars', 'streamium_account_query_vars', 0 );
  
function streamium_add_watchlist_link_my_account( $items ) {
    
    $items['watchlist'] = 'Watchlist';

    return $items;

}
  
add_filter( 'woocommerce_account_menu_items', 'streamium_add_watchlist_link_my_account' );
  
function streamium_watchlist_content() {

    echo '<h3>Premium WooCommerce Support</h3><p>Welcome to the WooCommerce support area. As a premium customer, you can submit a ticket should you have any WooCommerce issues with your website, snippets or customization. <i>Please contact your theme/plugin developer for theme/plugin-related support.</i></p>';

}
  
add_action( 'woocommerce_account_watchlist_endpoint', 'streamium_watchlist_content' );

// Remove this but you will need to flush rewrite rules to get this to work.
flush_rewrite_rules();

?>