<tal:metas condition="python: view.available()">
  <meta name="patterns-push-url"
        content="${view/url}"
  />
  <meta name="patterns-push-login"
        content="${view/login}"
  />
  <meta name="patterns-push-password"
        content="${view/password}"
  />
  <meta name="patterns-push-exchange"
        content="${view/exchange}"
  />
  <meta name="patterns-push-filter"
        content="${view/filter}"
  />
  <meta name="patterns-notification-exchange"
        content="${view/notification_exchange}"
        tal:condition="view/notification_exchange"
  />
  <meta name="patterns-notification-filter"
        content="${view/notification_filter}"
        tal:condition="view/notification_filter"
  />
</tal:metas>
