Как вставить mp3 через поле "media" в собсветнном компоненте? - Разработка расширений для Joomla 3.x

<?xml version="1.0" encoding="utf-8"?>
<form addrulepath="/administrator/components/com_my_comp/models/rules" >
	<fieldset name="details">
		<field name="info_course" type="media" 
                       directory="/images"  label="My Label" 
                       description="My Desc" preview="false"/>
	</fieldset>
	<fields name="params">
		<fieldset name="params" label="JGLOBAL_FIELDSET_DISPLAY_OPTIONS">
		</fieldset>
	</fields>
</form>

<field name="info_course" type="media" directory="/images"  label="My Label" description="My Desc" preview="false" view=medialist/>

$model=JModel::getInstance('List', 'MediaModel');
$docs=$model->getDocuments();
$this->images=array_merge($docs,$this->images);

$model=JModelLegacy::getInstance('List', 'MediaModel');
$docs=$model->getDocuments();
$this->images=array_merge($docs,$this->images);