Equivalent in Revo 2x+ for getDocumentChildrenTVarOutput?

// $parents passed as a list of ID's and exploded.
foreach($parents as $parent){
	// get the children
	$docs = $modx->getCollection('modResource',array(
    	'published' => 1,
		'parent' => $parent
	));
	foreach ($docs as $child) {
		$record['id'] = $child->get('id');
		$record['alias'] = $child->get('alias');
		$record['pagetitle'] = $child->get('pagetitle');
		$obj = $modx->getObject('modResource',$record['id']);
		// These are tv "names"
		foreach ($tv_fields as $fld)  { $record[$fld]=$child->getTVValue($fld); }
		array_push($result,$record);
	}
	//$result=array_merge($result,$modx->getDocumentChildrenTVarOutput($parent,'*'));
}

<?php
// $parents passed as a list of ID's and exploded.
foreach($parents as $parent){
    // get the children
    $children = $modx->getCollection('modResource', array(
        'published' => 1,
        'parent' => $parent
    ));
    foreach ($children as $child) {
        // These are tv "names"
        $record = $child->toArray();
        foreach ($tv_fields as $fld) {
            $record[$fld]=$child->getTVValue($fld);
        }
        $result[] = $record;
    }
}