function profile_tab_terawallet() {

     global $bp;

     bp_core_new_nav_item( array(

           'name' => 'woo wallet',

           'slug' => 'wallet',

           'screen_function' => 'wallet_screen',

           'position' => 107, //you can make this a variable in your plugin

           'parent_url'      => bp_loggedin_user_domain() . '/wallet/',

           'parent_slug'     => $bp->profile->slug,

           'default_subnav_slug' => 'wallet'

     ) );

}

add_action( 'bp_setup_nav', 'profile_tab_terawallet' );



function wallet_screen() {

   // Add title and content here - last is to call the members plugin.php template.

   add_action( 'bp_template_title', 'wallet_title' );

   add_action( 'bp_template_content', 'wallet_content' );

   bp_core_load_template( 'buddypress/members/single/plugins' );

}

function wallet_title() {

   echo 'my virtual wallet';

}

function wallet_content() {

 echo do_shortcode( '[woo-wallet]' );

}