function my_test_setup_nav() {
	global $bp;
	bp_core_new_nav_item( array( 'name' => __( 'test' ), 'slug' => 'test', 'parent_url' => $bp->loggedin_user->domain . $bp->slug . '/', 'parent_slug' => $bp->slug, 'screen_function' => 'my_profile_page_function_to_show_screen', 'position' => 40 ) );

	bp_core_new_subnav_item( array( 'name' => __( 'Home' ), 'slug' => 'test_sub', 'parent_url' => $bp->loggedin_user->domain . $bp->slug . '/', 'parent_slug' => $bp->slug, 'parent_slug' => $bp->slug, 'screen_function' => 'my_profile_page_function_to_show_screen', 'position' => 20, 'item_css_id' => 'test_activity' ) );

	function my_profile_page_function_to_show_screen() {

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

	echo 'weee content';

	}
}