Magento: Add gift message programatically

gistfile1.txt

$giftMessage = Mage::getModel('giftmessage/message'); 
$giftMessage->setCustomerId($customer->getId()); 
$giftMessage->setSender('sender']); 
$giftMessage->setRecipient('recepient'); 
$giftMessage->setMessage('message'); 
$giftObj = $giftMessage->save(); 
$order->setGiftMessageId($giftObj->getId()); 
$order->save();