$c = $modx->newQuery('modResource', array( 'createdby' => $modx->user->get('id') ));
<?php $c = $modx->newQuery('modResources'); $c->where(array( 'createdby' => $modx->user->get('id'), )); $results = $modx->getCollection('modResource', $c); foreach($results as $result){ //your code... }