Кастомные данные для тв

getTVcustomData.php

<?php
//@EVAL return $modx->runSnippet('getDepartament');
$pdo = $modx->getService('pdoFetch');
$pdo->setConfig(array(
   'parents' => 137,
   'limit' => 0,
   'sortby' => 'id',
   'select' => 'id,pagetitle',
   'return' => 'data',
   'where' => [
        'isfolder' => 1,   
    ]
));

$arr = $pdo->run();
$outArr = array();

foreach ($arr as $item) {
    $outArr[] = $item['pagetitle'].'=='.$item['id'];
}

$out = implode('||', $outArr);

return $out;