public static StringRequest CreateSetRequest(string gameId, string publicKey, string username, string userToken, string key, string data) { var output = new StringRequest(gameId, publicKey, Constants.DataStoreUrls.SetUrl, RequestParameter.CreateKey(key), RequestParameter.CreateData(data)); if (string.IsNullOrWhiteSpace(username)) { return(output); } if (string.IsNullOrWhiteSpace(userToken)) { throw new ArgumentException("You must specify a user token when retrieving user keys."); } output.Parameters.Add(RequestParameter.CreateUsername(username)); output.Parameters.Add(RequestParameter.CreateUserToken(userToken)); return(output); }