public function getGroups( \Aimeos\MShop\Context\Item\Iface $context )
	{
		$list = array();
		$manager = \Aimeos\MShop::create( $context, 'customer/group' );

		$search = $manager->createSearch();
		$search->setConditions( $search->compare( '==', 'customer.group.id', $context->getGroupIds() ) );

		foreach( $manager->searchItems( $search ) as $item ) {
			$list[] = $item->getCode();
		}

		return $list;
	}