function dd_setup_user_custom_nav_1(){
    global $bp;

    bp_core_new_nav_item( array(
        'name' => 'Custom 1',
        'slug' => 'custom-1',
        'parent_url' => $bp->profile->slug,
        'parent_slug' => $bp->profile->slug,
        'screen_function' => 'bp_user_custom_1',
        'position' => 10,
        'user_has_access' => $user_access,
        'item_css_id' => 'custom-1'
    ));

}
add_action( 'bp_setup_nav', 'dd_setup_user_custom_nav_1' );

function bp_user_custom_1() {

    add_action('bp_template_content', 'dd_bp_user_custom_1_show_screen_content');

    $templates = array('members/single/plugins.php', 'plugin-template.php');
    if (strstr(locate_template($templates), 'members/single/plugins.php')) {
        bp_core_load_template(apply_filters('bp_core_template_plugin', 'members/single/plugins'));
    } else {
        bp_core_load_template(apply_filters('bp_core_template_plugin', 'plugin-template'));
    }

}


function dd_bp_user_custom_1_show_screen_content() { ?>

<div>

USER CONTENT

</div>


<?php

}