whatsapp Integration in C#, ASP.net

Hi, Follow the below instruction and then send the whatsapp messages using C#. A Twilio account (sign up for a free Twilio account here) The .NET Core 2.1 SDK and runtime The WhatsApp Sandbox Channel installed in your account (go through this process to activate the sandbox) After you have created your new .NET Console application, add the Twilio NuGet package to the solution. If you are unsure how to do this. using System; using Twilio; using Twilio.Rest.Api.V2010.Account; using Twilio.Types; namespace WhatsApp { class Program { static void Main(string[] args) { TwilioClient.Init( Environment.GetEnvironmentVariable("TWILIO_ACCOUNT_SID"), Environment.GetEnvironmentVariable("TWILIO_AUTH_TOKEN") ); } } } TwilioClient.Init( Environment.GetEnvironmentVariable("TWILIO_ACCOUNT_SID"), Environment.GetEnvironmentVariable("TWILIO_AUTH_TOKEN") ); var message = MessageResource.Create( from: new PhoneNumber("whatsapp:TWILIO_WHATSAPP_NUMBER"), to: new PhoneNumber("whatsapp:YOUR_MOBILE_NUMBER"), body: "Ahoy from Twilio!" ); Console.WriteLine("Message SID: " + message.Sid);