snyadanak

[[pdoResources?
    &parents=`13`
    &includeTVs=`tv`
    &tpl=`@INLINE <div>{{+pagetitle}}</div>`
]]

$where = [ 'article' => 'вводимый артикул' ];
$resources = $modx->getCollection('msProduct',$where);

foreach ($resources as $key => $res) {
  $output = $res->get('id');
}

$resources = $modx->getCollection('msProduct');

foreach ($resources as $key => $res) {
    $article = $res->get('article');
    $id = $res->get('id');
    $arr[$article] = $id;
}
echo $arr['какой то артикул'];

{$_modx->runSnippet('!msProducts',[
  'parents' => 0,
  'tpl' => '@INLINE {{+id}}',
  'sortby' => 'RAND()',
  'limit' => 5
])}