Add "Portfolio" tab to BuddyPress member profile

gistfile1.php

<?php
/**
 * Add a new "Portfolio" profile tab and load content.
 *
 * @link http://premium.wpmudev.org/forums/topic/buddypress-adding-custom-page-tab
 *
 */
add_action( 'bp_setup_nav', 'pasada_profile_portfolio', 50 );

function pasada_profile_portfolio() {
    global $bp;
    bp_core_new_nav_item(
        array(
            'name'                => __( 'Portfolio', 'buddypress' ),
            'slug'                => 'portfolio',
            'position'            => 20,
            'screen_function'     => 'pasada_profile_portfolio_template',
            'default_subnav_slug' => 'portfolio',
            'parent_url'          => $bp->loggedin_user->domain . $bp->slug . '/',
            'parent_slug'         => $bp->slug
        ) );
}

function pasada_profile_portfolio_template() {
    //add title and content here - last is to call the members plugin.php template
    add_action( 'bp_template_title', 'pasada_portfolio_title' );
    add_action( 'bp_template_content', 'pasada_portfolio_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}

function pasada_portfolio_title() {
    echo 'Portfolio';
}

function pasada_portfolio_content() {
    echo 'This is my portfolio';
}