@Override
    protected Event doInternalExecute(final RequestContext requestContext) {
        val tgtId = getTicketGrantingTicket(requestContext);
        if (StringUtils.isNotBlank(tgtId)) {
            val ticket = ticketRegistry.getTicket(tgtId, TicketGrantingTicket.class);
            WebUtils.putAuthentication(ticket.getAuthentication(), requestContext);
            WebUtils.putTicketGrantingTicket(requestContext, ticket);
        }
        return success();
    }
Confirm logout action once the confirmation view is displayed.

@author Misagh Moayyed
@since 6.4.0
support/cas-server-support-actions-core/src/main/java/org/apereo/cas/web/flow/logout/ConfirmLogoutAction.java