BuddyPress Profile navigation

functions.php

<?php
function profile_nav_item() {
    global $bp;

    bp_core_new_subnav_item(
            array(
                    'name'                => __( 'User Profile', 'buddypress' ),
                    'slug'                => 'user-profile',
                    'position'            => 10,
                    'screen_function'     => 'user_listingsdisplay',
                    'default_subnav_slug' => 'user-profile',
                    'parent_url'          => $bp->displayed_user->domain . $bp->profile->slug . '/',
                    'parent_slug'         => $bp->profile->slug,
                    'user_has_access' => current_user_can('edit_users'),
            ) );
}

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

function my_groups_page_function_to_show_screen_title() {
    echo 'My new Page Title';
}

function my_groups_page_function_to_show_screen_content() {
    echo 'My Tab content here';

}
add_action( 'bp_setup_nav', 'profile_nav_item', 50 );
/* end of user profile */