but1head

$modx->resource = $resource;
$modx->request->prepareResponse();

public function prepareQueryBeforeCount(xPDOQuery $c)
    {
        $query = trim($this->getProperty('query'));
        if ($query) {
            $c->where(array(
                'name:LIKE' => "%{$query}%",
                'OR:description:LIKE' => "%{$query}%",
            ));
        }
        return $c;
    }

@SELECT pagetitle, id FROM modx_site_content WHERE parent=35

<?php
define('MODX_API_MODE', true);
require $_SERVER["DOCUMENT_ROOT"].'/index.php';
$modx->getService('error','error.modError');

$functions = new _modx($modx);
$functions->sendMail('mail@site.ru', 'subject', 'message');

class _modx {
	public $modx;
	function __construct(modX &$modx){
        $this->modx =& $modx;
		$this->pdoFetch = $this->modx->getService('pdofetch','pdoFetch', MODX_CORE_PATH . 'components/pdotools/model/pdotools/', array());
	}

	function sendMail($email, $subject, $body = ''){
		$mail = $this->modx->getService('mail', 'mail.modPHPMailer');
	    $mail->setHTML(true);
	    $mail->address('to', trim($email));
	    $mail->set(modMail::MAIL_SUBJECT, trim($subject));
	    $mail->set(modMail::MAIL_BODY, $body);
	    $mail->set(modMail::MAIL_FROM, $this->modx->getOption('emailsender'));
	    $mail->set(modMail::MAIL_FROM_NAME, $this->modx->getOption('site_name'));
	    if (!$mail->send()) {
	        $modx->log(modX::LOG_LEVEL_ERROR,
	            'An error occurred while trying to send the email: ' . $mail->mailer->ErrorInfo
	        );
	    }
	    $mail->reset();
	}
}

<?php
if(!is_ajax() && !$_POST['action']) die('Request error');
$action = strip_tags($_POST['action']);
require_once($_SERVER["DOCUMENT_ROOT"].'/***/api.php');
require_once($_SERVER["DOCUMENT_ROOT"].'/***/functions.php');


switch($action){

}



function is_ajax() {
	return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
}

<div id="pdopage">
    [[!+page.nav]]
    <div class="rows">
        [[!pdoPage?
            &parents=`0`
            &ajaxMode=`button`
            &limit=`5`
        ]]
    </div>
</div>

{foreach $list as $value}
 <div>{if $value@first} first item {/if} {$value}</div>
{/foreach}

или

{foreach $list as $value first=$first}
 <div>{if $first} first item {/if} {$value}</div>
{/foreach}