Email notification using Freemaker and Kaleo

gistfile1.xml

    <state>
        <name>approved</name>
        <actions>
            <notification>
                <name>Application Approved Notification</name>
                <description>Application Approved Notification</description>
                <execution-type>onAssignment</execution-type>
                <template>
                    <![CDATA[
                        <#assign context = serviceContext.getAttribute("context")>

                        <p>Dear Developer,</p>
                        <p>
                            The application submission ${context.productName} has been approved for publishing.  
                            If you have not already done so, please set your pricing and publish dates.  
                            The application record can be accessed here 
                            <a href="${context.externalEditURL}">${context.externalEditURL}</a>
                            .  Select Edit Pricing Info to update.
                        </p>

                        <p>Regards,</p>                            
                        <p>Liferay Inc.</p>
                    ]]>
                </template>
                <template-language>freemarker</template-language>
                <notification-type>email</notification-type>
            </notification>