alfresco-community-repo/config/alfresco/extension/content-expiration-debug-context.xml.sample

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE beans PUBLIC '-//SPRING//DTD BEAN//EN' 'http://www.springframework.org/dtd/spring-beans.dtd'>

<beans>
    <bean id="avmExpiredContentTrigger" class="org.alfresco.util.CronTriggerBean">
        <property name="jobDetail">
            <bean id="avmExpiredContentJobDetail" class="org.springframework.scheduling.quartz.JobDetailBean">
                <property name="jobClass">
                    <value>org.alfresco.repo.avm.AVMExpiredContentJob</value>
                </property>
                <property name="jobDataAsMap">
                    <map>
                       <entry key="expiredContentProcessor">
                           <ref bean="avmExpiredContentProcessor" />
                       </entry>
                    </map>
                </property>
            </bean>
        </property>
        <property name="scheduler">
            <ref bean="schedulerFactory" />
        </property>
        <!-- trigger at 3:30am each day -->
        <property name="cronExpression">
            <value>0 0/2 * * * ?</value>
        </property>
    </bean>
</beans>