Ultimate Member - Get meta data

Ultimate Member Followers and Online extensions

<?php

//Last Login
um_fetch_user( $user_id );
echo um_user("last_login");

// Last Active
global $um_online;
$users = $um_online->get_users();
if( isset( $users[ $user_id ] ) ){
  echo $users[ $user_id ]; // prints timestamp;
}

// Number of Followers
global $um_followers;
echo $um_followers->api->count_followers_plain( $user_id  );

// Number of Following
global $um_followers;
echo $um_followers->api->count_following_plain( $user_id  );

//Whether they've uploaded a profile photo
um_fetch_user( $user_id );
echo um_user('synced_profile_photo'); // source: Social accounts avatars
echo um_user('profile_photo'); // source: Uploaded in profile edit form
echo um_user('synced_gravatar_hashed_id'); // source: gravatar email

//Whether they've uploaded a cover photo
um_fetch_user( $user_id );
echo um_user('cover_photo');



?>

After pasting this inside template function.php or custom plugins.

Which shortcode will I use to call them on the web? Or after pasting it will automatically show on each member profile (I mean the following and followers)

THANK YOU.