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Hello. 

We created our own calendar displaying portlet and want to redirect the event url to a specified jsp file of our calendar portlet. We are trying to imitate the behavior of default Calendar portlet's notification url generating process but without any sucees.  Liferay's version is 7.0 dxp . 

We know that the url is generated in NotificationTemplateContextFactory.java's  _getCalendarBookingURL method 

private static String _getCalendarBookingURL(
            User user, long calendarBookingId)
        throws PortalException {

        Group group = _groupLocalService.getGroup(
            user.getCompanyId(), GroupConstants.GUEST);

        Layout layout = _layoutLocalService.fetchLayout(
            group.getDefaultPublicPlid());

        String portalURL = _getPortalURL(
            group.getCompanyId(), group.getGroupId());

        String layoutActualURL = PortalUtil.getLayoutActualURL(layout);

        String url = portalURL + layoutActualURL;

        String namespace = PortalUtil.getPortletNamespace(
            CalendarPortletKeys.CALENDAR);

        url = HttpUtil.addParameter(
            url, namespace + "mvcPath", "/view_calendar_booking.jsp");

which set the p_l_id of url to the layout id of the first page of the default site. When user click the event url, the default calendar portlet's /view_calendar_booking.jsp will be rendered in the first page of the default site, even if the default calendar portlet is NOT in that page. Actually if we replace the p_l_id to the layout id of any page in the guest site, the /view_calendar_booking.jsp will be rendered on that page, no matter where the default calendar portlet locates.

But when we replace the namespace to our calendar portlet and the mvcPath to the specified jsp file( by creating another EmailNotificationSender and assigning with a high service ranking value ), the url failed and resulted in 'You do not have the roles required to access this portlet'. It only works if we replace the p_l_id to the layout id of the page where we place our calendar displaying portlet. 

We tried to created the resource-actions with VIEW permission to sitemembers and guests under src/main/resources/resource-actions/ and put it in the portlet.properties under src/main/resources but failed either.  Is there any hint how can we achieve the goal? Thank you very much.