JustPaste.it
<?xml version="1.0"?>
<!-- Gta_KolupadiRestrict -->
<config>
    <modules>
        <Gta_KolupadiRestrict>
            <version>1.0.0</version>
        </Gta_KolupadiRestrict>
    </modules>
    <global>
        <models>
            <Gta_KolupadiRestrict>
                <class>Gta_KolupadiRestrict_Model</class>
            </Gta_KolupadiRestrict>
        </models>
    </global>   
    <frontend>
        <events>
            <controller_action_predispatch_checkout_cart_add>
                <observers>
                    <gta_kolupadirestrict_log_cart_add> 
                        <type>singleton</type>
                        <class>Gta_KolupadiRestrict_Model_Observer</class>
                        <method>logCartAdd</method>
                    </gta_kolupadirestrict_log_cart_add>
                </observers>
            </controller_action_predispatch_checkout_cart_add>      
        </events>
    </frontend>
</config>