setup/includes/upgrades/common/2.5-user-createdon.php
<?php
/**
* Common upgrade script for 2.5 modUser
*
* @var modX $modx
* @package setup
*/
/* add modUser.createdon field */
$class = 'modUser';
$table = $modx->getTableName($class);
$description = $this->install->lexicon('add_column',array('column' => 'createdon','table' => $table));
$this->processResults($class, $description, array($modx->manager, 'addField'), array($class, 'createdon'));