Тодор

&where=`{ "tags:LIKE": "%[[*tags]]%" }`

<?php
switch ($modx->event->name) {
    case 'OnFileManagerUpload':
    	$generator = $modx->newObject('modResource');
    	$bases = $source->getBases($directory);
    	$fullPath = $bases['pathAbsolute'].ltrim($directory,'/');
    	$directory = $source->fileHandler->make($fullPath);
    	foreach ($files as $file) {
    		$ext = @pathinfo($file['name'],PATHINFO_EXTENSION);
    		rename($directory->getPath().$file['name'], $directory->getPath() . $generator->cleanAlias($file['name']));
    	}
	break;
    default: break;
}
return true;

&where=`{ "tags:=": "[[*tags]]" }`

<form id="form-1" method="post" action="">
    <input name="name-1" placeholder="Имя">
    <input name="phone-1" placeholder="Телефон">
    <button type="submit">Отправить</button>    
</form>
<form id="form-2" method="post" action="">
    <input name="name-2" placeholder="Имя">
    <input name="phone-2" placeholder="Телефон">
    <button type="submit">Отправить</button>    
</form>
<form id="form-3" method="post" action="">
    <input name="name-3" placeholder="Имя">
    <input name="phone-3" placeholder="Телефон">
    <button type="submit">Отправить</button>    
</form>

$order = $modx->getObject('msOrder', ORDER_ID);
$address = $order->getOne('Address');

$address->set('city', "New York");
$address->set('street', "st.Metrofana 15");

$properties = array(
    'test' => htmlentities('My test properties field', ENT_COMPAT | ENT_HTML401,'UTF-8'),
    'test 2' => htmlentities('My test properties field2', ENT_COMPAT | ENT_HTML401,'UTF-8'),
);

$address->set('properties', json_encode($properties));
$address->save();

{'!mySnippet' | snippet}
{if $_modx->getPlaceholder('my_pls')}
    Мой плейсхолдер равен {$_modx->getPlaceholder('my_pls')}
{/if}

<?php
$modx->setPlaceholder('my_pls', 1);

<input name="note" type="hidden" value=""/>

$resource->save();

<!--tickets_captcha
<div class="form-group">
    <label for="comment-captcha" id="comment-captcha">[[+captcha]]</label>
    <input type="text" name="captcha" value="" id="comment-captcha" class="form-control" />
</div>
-->

[[#GET.tags]]

{$.get['tags']}