➤ create a config.xml file on given bellow path :
app/code/local/Namespace/Cart/etc/config.xml
1. create event …
<checkout_cart_add_product_complete>
<observers>
<namespace_cartbypass_observer>
<type>singleton</type>
<class>Namespace_Cart_Model_Observer</class>
<method>afterAddToCart</method>
</namespace_cartbypass_observer>
</observers>
</checkout_cart_add_product_complete>
➤ create a Observer.php file on given path :
/app/code/local/Namespace/Cart/Model/Observer.php
2. create observer..
class Namespace_Cart_Model_Observer extends Varien_Object
{
public function afterAddToCart(Varien_Event_Observer $observer) {
$response = $observer->getResponse();
$response->setRedirect(Mage::getUrl(‘checkout/onepage’));
Mage::getSingleton(‘checkout/session’)->setNoCartRedirect(true);
}
}