internal static async Task DeleteSubscription(string subscriptionId, string baseUrl)
 {
     var graphClient = GraphHelper.GetAuthenticatedClient(CurrentUserId, baseUrl);
     await graphClient.Subscriptions[subscriptionId].Request().DeleteAsync();
 }
        internal static async Task <Subscription> CheckSubscription(string subscriptionId, string userId, string baseUrl)
        {
            var graphClient = GraphHelper.GetAuthenticatedClient(userId, baseUrl);

            return(await graphClient.Subscriptions[subscriptionId].Request().GetAsync());
        }