AzureVaultAccessExample

using Microsoft.Azure.KeyVault;
using Microsoft.Azure.Services.AppAuthentication;
using System;
using System.Threading.Tasks;

namespace YourNameSpace
{
    public class VaultAccess
    {
        public async Task<string> GetSecretKey(string secretKeyEndPoint)
        {
            try
            {
                AzureServiceTokenProvider azureServiceTokenProvider = new AzureServiceTokenProvider();
                KeyVaultClient keyVaultClient = new KeyVaultClient(new KeyVaultClient.AuthenticationCallback(azureServiceTokenProvider.KeyVaultTokenCallback));
                var secret = await keyVaultClient.GetSecretAsync(secretKeyEndPoint)
                        .ConfigureAwait(false);

                return secret.Value;
            }
            catch (Exception)
            {
                return null;
            }
        }
    }
}