ZCML File
configure.zcml

<zope:configure
    xmlns="http://namespaces.zope.org/browser"
    xmlns:zope="http://namespaces.zope.org/zope"
    >
<page
    class=".managers.Managers"
    for="zope.app.applicationcontrol.interfaces.IApplicationControl"
    permission="zope.ManageApplication"
    name="generations.html"
    template="managers.pt"
    menu="zmi_views"
    title="Database Schemas"
    />
<page
    class=".managerdetails.ManagerDetails"
    for="zope.app.applicationcontrol.interfaces.IApplicationControl"
    permission="zope.ManageApplication"
    name="generations_managerdetails.html"
    template="managerdetails.pt"
    />
</zope:configure>