$modx->runProcessor('gallery/multiple',
	array(
		'method' => 'remove',
		'ids' => //тут id фотографий в формате json,
	),
	array('processors_path' => MODX_CORE_PATH.'components/minishop2/processors/mgr/')
);

<!--tickets_stared <i class="glyphicon glyphicon-star stared star"></i>-->
<!--tickets_unstared <i class="glyphicon glyphicon-star unstared star"></i>-->

<?php
$output = ' ';
$input = explode('||', $input);
if (!empty($input) && is_array($input) && in_array($options,$input)) {
  $output = ' checked="checked"';
}
return $output;

<input type="checkbox" name="provides[]" value="Outcall" [[+provides:FormItIsChecked=`Outcall`]]>

<div class="checkbox">
<label>
<input type="checkbox" name="provides[]" value="[[+provides]]">
Outcall
</label>
<label>
<input type="checkbox" name="provides[]" value="[[+provides]]">
Incall
</label>


<span class="error">[[!+fi.error.provides]]</span>
</div>

<div class="col-md-6 col-sm-12">
	        <label for="ticket-sections">Location</label>
	        <select name="parent" class="form-control" id="ticket-sections">[[+sections]]</select>
	        <span class="error"></span>
	    </div>

['rid:IN' => $rids]

Не пишите 'xml' большими буквами: