$form->addInput(array('type'=>'combobox','name'=>'type',
'data'=>array(CustomFields::TYPE_TEXT=>$i18n->get('label.type_text'),
CustomFields::TYPE_DROPDOWN=>$i18n->get('label.type_dropdown'))
$form->addInput(array('type'=>'combobox','name'=>'type',
'data'=>array(CustomFields::TYPE_TEXT=>$i18n->get('label.type_text'),
CustomFields::TYPE_DROPDOWN=>$i18n->get('label.type_dropdown'))