Magento extension config.xml example

magento_extension_config_xml

<global>
    <events>
      <catalog_product_get_final_price>
        <observers>
         <titel_des_event_observer>
            <type>singleton</type>
            <class>meinmodel/observer</class>
            <method>meine_funktion_ohne_klammern</method>
          </titel_des_event_observer>
        </observers>
      </catalog_product_get_final_price>
    </events>
</global>