Get Attributes (.NET)

var targetClientConfig = new TargetClientConfig.Builder("acmeClient", "ABCDEF012345677890ABCDEF0@AdobeOrg")
    .Build();

var targetClient = TargetClient.Create(targetClientConfig);

var mboxRequests = new List<MboxRequest> { new (index: 1, name: "a1-serverside-ab") };

var targetDeliveryRequest = new TargetDeliveryRequest.Builder()
    .Build();

var offerAttributes = targetClient.GetAttributes(targetDeliveryRequest, "demo-engineering-flags");

//returns just the value of searchProviderId from the mbox offer
var searchProviderId = offerAttributes.GetString("demo-engineering-flags", "searchProviderId");

//returns a simple Dictionary representing the mbox offer
var engineeringFlags = offerAttributes.ToMboxDictionary("demo-engineering-flags");

//  the value of engineeringFlags looks like this
//  {
//      "cdnHostname": "cdn.cloud.corp.net",
//      "searchProviderId": 143,
//      "hasLegacyAccess": false
//  }

var assetUrl = $"http://{engineeringFlags["cdnHostname"]}/path/to/asset";