public void IdsAvailable(string oneSignalUserId, string registrationId)
{
var user = App.CurrentUserEnvironment.User;
var idUser = user.IdUser.ToString();
var credentials = string.Format("{0}/{1}/{2}", user.LastName, user.FirstName, user.Email);
//Sync email
OneSignal.SyncHashedEmail(user.Email);
//Create user tags
OneSignal.GetTags(new GetTagsHandler(idUser, credentials));
//Silent notification
OneSignal.SetInFocusDisplaying(OneSignal.OSInFocusDisplayOption.None);
}