vit

$key = $hook->getValue('key');

$value = (float)$value;
$success = $value > 1000;
if (!$success) {
    // Note how we can add an error to the field here.
    $validator->addError($key,'Not big enough!');
}
return $success;

[[!FormIt?  
  &redirectTo=`27`
  &placeholderPrefix=``
&validate=`cost:isBigEnough`
&customValidators=`isBigEnough`
]]

  <form class="bs-example form-horizontal" action="[[~[[*id]]]]" method="post">
          <input type="text" value="[[!+title]]" class="form-control"
          id="title"  name="title">
          <input type="text" value="[[!+telegram]]" class="form-control"
          id="telegram"  name="telegram">
          <button type="submit" class="btn btn-primary">Сохранить</button>
  </form>

$sth = $modx->query("SELECT * FROM gtgbs_yclients_staff");
    $result = $sth->fetchAll(PDO::FETCH_ASSOC);
    foreach ($result as $data) {
 $name .=$data['name'];
}
$modx->setPlaceholder('name',$name);

[[!test]]
<input type="checkbox" name="[[+name]]" value="[[+name]]" [[!+fi.color:FormItIsChecked=`[[+name]]`]] > [[+name]]

<input type="radio" id="fullname"
     name="fullname" value=“[[+name]]">
    <label for="fullname">[[+name]]</label>