Call Custom Model method/function

For example,I have created a custom module UserProfile .
i.e
magento\app\code\local\CustomerProfile\Userprofile

and my model in Userprofile is
magento\app\code\local\CustomerProfile\Userprofile\Model\Customersettings.php

Customersettings.php is as following:


class CustomerProfile_Userprofile_Model_Customersettings extends Mage_Core_Model_Abstract
{

protected function _construct()
{
$this->_init("userprofile/customersettings");
}

function getmessage()
       {
              echo "Hello From Custom model method:";
       }
}


I can call the method of custom model anywhere as following:

Mage::getModel('modulename/modelname')->modelmethod();

i.e.
Mage::getModel('userprofile/customersettings')->getmessage();