Dataverse Sample ConsoleApp Client (oAuth2.0)

sampleConsoleApp.cs

using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Tooling.Connector;
using System;

namespace MEA
{
    class sampleConsoleApp
    {
        static void Main(string[] args)
        {
            CrmServiceClient crmSvc = getOrganizationService();
            Console.ReadLine();
        }

        public static CrmServiceClient getOrganizationService()
        {
            CrmServiceClient crmSvc = null;
            String connectionString = "AuthType=OAuth;Username=jsmith@contoso.onmicrosoft.com; Password=passcode;Url=https://contosotest.crm.dynamics.com;AppId=51f81489-12ee-4a9e-aaae-a2591f45987d; RedirectUri=app://58145B91-0C36-4500-8554-080854F2AC97;LoginPrompt=Auto"
            try
            {
                crmSvc = new CrmServiceClient(connString);
                if (crmSvc != null)
                {
                    var whoAmIResponse = ((WhoAmIResponse)crmSvc.Execute(new WhoAmIRequest()));
                    if (whoAmIResponse != null)
                    {
                        Console.WriteLine("Connection OK....");
                        Console.WriteLine(whoAmIResponse.UserId);
                    }
                    else
                    {
                        Console.WriteLine("Connection KO....");
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("ERROR...");
                Console.WriteLine(e.Message);
            }
            return crmSvc;
        }
    }
}

and it does require an azure app hence the RedirectUri=app://