BoxKite.Twitter.UsersExtensions.CreateUserBlock C# (CSharp) Метод

        public static async Task<User> CreateUserBlock(this IUserSession session, string screenName = "", long userId = 0)
        {
            var parameters = new TwitterParametersCollection();
            parameters.Create(include_entities:true,skip_status:true,screen_name:screenName,user_id:userId);

            if (parameters.EnsureEitherOr("screen_name", "user_id").IsFalse())
            {
                return session.MapParameterError<User>(
                        "Either screen_name or user_id required");
            }

            return await session.PostAsync(TwitterApi.Resolve("/1.1/blocks/create.json"), parameters)
                         .ContinueWith(c => c.MapToSingle<User>());
        }