<?php

/**
 * Add a Custom "My Profile" link to the Main Menu
 *
 */
function cbox_custom_profile_menu_item ( $items, $args ) {
    if ($args->theme_location == 'main-menu') {
        $profilelink = '<li class="my-home-menu"><a href="' . bp_loggedin_user_domain( '/' ) . '">' . __('My Home') . '</a></li>';
        $items .= '';
        $items = $items . $profilelink;
    }
    return $items;
}
add_filter( 'wp_nav_menu_items', 'cbox_custom_profile_menu_item', 10, 2 );