Володя

switch ($modx->event->name) {
    case 'OnDocFormSave':
      $param = array(
      'place' => $resource->get('pagetitle'), // допустим адрес у вас в pagetitle
      'id' => $resource->get('id')
      );
    $modx->runSnippet('getcoord',$param);
    break;
}

maxUploadSize
maxUploadWidth
maxUploadHeight

s6114
Пароль	Q8A9d8l0u44D

$res = $modx->getObject('modResource', ID);
$prop = $res->get('properties');
$prop = $prop['msoptionsprice'];
$prop[свойство_продукта_minishop] = '88888'; 
$res->set('properties',array('msoptionsprice' => $prop));
$res->save();