private static $has_many = array(
		'MyFile' => 'File'
	);

	public function getCMSFields() {
		$fields = parent::getCMSFields();
		$upload = new UploadField('MyFile');
		$upload->setConfig('allowedMaxFileNumber', 10);
		$fields->addFieldToTab("Root.Main", $upload);
		return $fields;
	}
}