public static bool CloseRequests(string requestId)
        {
            var filter = Builders<RequestAccess>.Filter;
            var idfilter = filter.Eq(x => x._id, ObjectId.Parse(requestId));
            var updater = Builders<RequestAccess>.Update;
            var isClosedUpdater = updater.Set(x => x.IsClosed, true);

            var list = RequestCollection.UpdateOne(idfilter, isClosedUpdater);

            return list.IsAcknowledged;
        }