<?php
$fields = JblanceHelper::get('helper.fields');
echo $fields->getFieldValue(3, $row->id, 'profile');
?>
In the above code, line 1 creates and instance of the class and should not be changed.
In the above code, first parameter is the custom field ID, second parameter is the user ID and thrid parameter is the type. For user profiles, type is 'profile'