C Sharp code to access Azure Key Vault secret

Program.cs

using Microsoft.Azure.KeyVault;
using Microsoft.IdentityModel.Clients.ActiveDirectory;
using System;
using System.Security.Cryptography.X509Certificates;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Program
    {
        static KeyVaultClient keyVaultClient;
        static void Main(string[] args)
        {
            var clientId = "Your App ID";
            var cerificateThumbprint = "Your Cert Thumbprint";
            keyVaultClient = new KeyVaultClient(async (authority, resource, scope) =>
            {
                var authenticationContext = new AuthenticationContext(authority, null);
                X509Certificate2 certificate;
                X509Store store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
                try
                {
                    store.Open(OpenFlags.ReadOnly);
                    X509Certificate2Collection certificateCollection = store.Certificates.Find(X509FindType.FindByThumbprint, cerificateThumbprint, false);
                    if (certificateCollection == null || certificateCollection.Count == 0)
                    {
                        throw new Exception("Certificate not installed in the store");
                    }
                    certificate = certificateCollection[0];
                }
                finally
                {
                    store.Close();
                }
                var clientAssertionCertificate = new ClientAssertionCertificate(clientId, certificate);
                var result = await authenticationContext.AcquireTokenAsync(resource, clientAssertionCertificate);
                var token = result.AccessToken;
                return token;
            });
            var secret = keyVaultClient.GetSecretAsync("https://blogkv123.vault.azure.net/secrets/SQLPassword/");
            Console.Write(secret.Result.Value);
        }
    }
}