Александр Наумов

if ($modx->event->name == 'msOnSubmitOrder'){
    if($cart = $order->ms2->cart->status()) {
        if($cart['total_cost'] < 3000) {
		$modx->toPlaceholder('sinastry','Сумма меньше 3000');
        } else {
 		$modx->toPlaceholder('sinastry','Сумма больше 3000');
	}
    }
}

{$_modx->getPlaceholder('sinastry')}

$values['total_count'] = 1;

{'!pdoPage' | snippet : [
        'element' => 'msListOrders',
        'limit' => '10',
        'where' => ???
    ]}