//simple initial version just send toast message
WnsToast toast = new WnsToastBuilder().bindingTemplateToastText01(pushMessage.getMessage().getAlert()).build();
try {
Set<String> expiredClientIdentifiers = new HashSet<String>(clientIdentifiers.size());
final List<WnsNotificationResponse> responses = wnsService.pushToast(new ArrayList<String>(clientIdentifiers), toast);
for (WnsNotificationResponse response : responses) {
if (response.code == HttpServletResponse.SC_GONE) {
expiredClientIdentifiers.add(response.channelUri);
}
}