متد وب سرویس ایجاد مخاطب (ContactCreate)

string Token = "MyToken";
//غیر فعال میباشد
//از پارامتر
// Labels 
//استفاده کنید
long ContactGroupID = 0;

bool Active = true;
string Mobile = "09120000000";
string FName = "";
string LName = "";
bool GenderType = true;
string CompanyTitle = "";
string JobTitle = "";
string Email = "";
string CityName = "";
string AddressText = "";
DateTime? BornDate = null;
DateTime? AnniversaryDate = null;
string CustomText1 = "";
string CustomText2 = "";
string CustomText3 = "";
string CustomText4 = "";
string CustomText5 = "";
string CustomText6 = "";
DateTime? CustomDate1 = null;
DateTime? CustomDate2 = null;
DateTime? CustomDate3 = null;
string[] Labels = new string[2]{
"گروه 1",
"گروه 2"
};


using (var client = new System.Net.WebClient())
{
    client.Headers.Add(System.Net.HttpRequestHeader.Authorization, Token);

    var data = new System.Collections.Specialized.NameValueCollection()
    {
        { "Mobile", Mobile  },
        { "FName", FName  },
        { "LName", LName  },
        { "GenderType", GenderType.ToString()  },
        { "CompanyTitle", CompanyTitle  },
        { "JobTitle", JobTitle  },
        { "Email", Email  },
        { "CityName", CityName  },
        { "AddressText", AddressText  },
        { "BornDate", BornDate.ToString()  },
        { "AnniversaryDate", AnniversaryDate.ToString()  },
        { "CustomText1", CustomText1  },
        { "CustomText2", CustomText2  },
        { "CustomText3", CustomText3  },
        { "CustomText4", CustomText4  },
        { "CustomText5", CustomText5  },
        { "CustomText6", CustomText6  },
        { "CustomDate1", CustomDate1.ToString()  },
        { "CustomDate2", CustomDate2.ToString()  },
        { "CustomDate3", CustomDate3.ToString()  },
        { "Labels", string.Join(",",Labels)  },
    };

    byte[] bytes = client.UploadValues("https://portal.amootsms.com/rest/ContactCreate", data);

    string json = System.Text.UTF8Encoding.UTF8.GetString(bytes);//خروجی
}