return array(  
	'components' => array(  
		//...
 		'sendgrid' => array(  
 			'class' => 'ext.yii-sendgrid.YiiSendGrid', //path to YiiSendGrid class  
 			'username'=>'myUsername', //replace with your actual username  
 			'password'=>'myP4s$w0rd', //replace with your actual password  
 			//'viewPath' => 'application.views.mail',  //alias to the layouts path. Optional  
 			//'enableLog' => YII_DEBUG, //wheter to log the emails sent. Optional  
 			//'dryRun' => false, //if enabled, it won't actually send the emails, only log. Optional  
			//'disableSslVerification'=>true,//ignore verification of SSL certificate  
 		),  
 		//...  
 	)  
 );  

$message = Yii::app()->sendgrid->createEmail();  
//shortcut to $message=new YiiSendGridMail($viewsPath);
$message->setHtml('<p>Message content here with HTML</p>')  
	->setSubject('My Subject')  
	->addTo(array('[email protected]'))
	->setFrom('[email protected]');  
Yii::app()->sendgrid->send($message);  

$message = Yii::app()->sendgrid->createEmail($htmlBody,$subject,$to,$from);  
Yii::app()->sendgrid->send($message);  

$message = Yii::app()->sendgrid->createEmail();  
//set view variable $user  
$message  
	->setView('signup') //view located in YiiSendGrid::$viewPath. Defaults to protected/views/mail  
	->setHtml(array(  
		'user'=>$user//my User model. Pass it to the view as $user, same way controller does  
	));  
// optionally you can use a layout  
//$message->layout='application.views.layouts.email';  
$message  
	->setSubject('Welcome to '.Yii::app()->name.'!')  
	->addTo(array($user->email))
	->setFrom(Yii::app()->params['adminEmail']);  
//handle errors
if(!Yii::app()->sendgrid->send($message))
{
	Yii::log("Failed to send email:\n".print_r(Yii::app()->sendgrid->lastErrors,true),CLogger::LEVEL_ERROR);
}