private async Task SendNotificationDeclinedAsync(long ticketId)
{
var confirmInfo = DataAccess.GetApproveConfirmInfo(ticketId);
var client = new SendGridClient(ConfigurationManager.AppSettings["OneSignalApiKey"]);
OneSignalNotification myNotification = new OneSignalNotification();
myNotification.contents = "Your Lottery Ticket: " + confirmInfo.LotteryNumbers + " have been declined !";
myNotification.small_icon = "icon.png";
myNotification.include_player_ids = new List <string> {
"OneSignal_playerid_fordevice", "Another_onesignal_playerid"
};
await myNotification.Send();
}