async static Task Main(string[] args) { Console.WriteLine("Hello World!"); InitializeProfile(); var chain = new CredentialProfileStoreChain(); if (chain.TryGetAWSCredentials("basic_profile", out AWSCredentials credential)) { var ec2Client = new AmazonEC2Client(credential, RegionEndpoint.APSoutheast2); var response = await ec2Client.DescribeAccountAttributesAsync(); foreach (var item in response.AccountAttributes) { Console.WriteLine(item.AttributeName + "|" + item.AttributeValues.Count); } } }