Azure Mobile Services Notification Hub Template Send

function insert(item, user, request) {

    // Execute the request and send notifications.
    request.execute({
        success: function() {

            //respond back with success
            request.respond(statusCodes.OK, item);

            //do async tasks
            sendPushNotification(item);
        }
    });
}

function sendPushNotification(move) {

    // Create a template-based payload.
    var payload = '{ "alert" : "' + move.playerName + ' just played. It\'s your turn!" }';
    var tag = 'user_id:' + move.otherPlayerId;

    //get the notification hub
    var azure = require('azure');
    var hub = azure.createNotificationHubService('myhub', 'Endpoint=XXXXXXX');

    // Send the move notification to the other user on all platforms.
    hub.send(tag, payload, function(error, outcome){
        if (error) {
            console.error("Error from notification hub on insert move:", error);
        }
    });

}