Is Doug Doug?

program.cs

       static async Task Main(string[] args)
        {
            // 1. Create a client
            var client = new FaceClient(new ApiKeyServiceClientCredentials(subKey))
            {
                Endpoint = endpoint
            };
            
            // 2. Create a Person Group
            const string personGroupName = "DPL2";
            var allGroups = await client.PersonGroup.ListAsync();
            PersonGroup personGroup = null;
            var personGroupId = allGroups[0].PersonGroupId;
            personGroup = await client.PersonGroup.GetAsync(personGroupId.ToString());

            // 3. Create Person - aka Create Doug
            var list = await client.PersonGroupPerson.ListAsync(personGroupId);
            foreach (var person in list)
            {
                // delete any extra Doug's lying around.
                await client.PersonGroupPerson.DeleteAsync(personGroupId, person.PersonId);    
            }
            var doug = await client.PersonGroupPerson.CreateAsync(personGroupId.ToString(), "Doug", "Doug Durham");
            
            // 4. Add images of Doug to the person Doug
            var urlsOfDoug = new string[]
            {
                "https://.../faces/384fced5-475e-4956-9f59-658fb57605eb-1.jpg",
                "https://.../faces/384fced5-475e-4956-9f59-658fb57605eb.jpg",
                "https://.../faces/675037ec-7904-4192-99f6-2150754b04ac-1.jpg",
                "https://.../faces/675037ec-7904-4192-99f6-2150754b04ac.jpg"
            };
            foreach (var urlOfDoug in urlsOfDoug)
            {
                await client.PersonGroupPerson.AddFaceFromUrlAsync(personGroup.PersonGroupId.ToString(), doug.PersonId, urlOfDoug);
            }
        
            // 5. Train the image recognizer 
            await client.PersonGroup.TrainAsync(personGroupId);
            while(true)
            {
                var trainingStatus = await client.PersonGroup.GetTrainingStatusAsync(personGroupId);
                if (trainingStatus.Status != TrainingStatusType.Running)
                {
                    break;
                }
                await Task.Delay(5000); // wait 5 seconds
            }
            
            // 6. Now test an image of Doug to see if it is an image of Doug
            var urlOfMaybeDoug =
                "https://.../faces/6bf9547d-1b07-46a1-91de-3726449cd1b5.jpg";
            var detectedFaces = new List<DetectedFace>((await client.Face.DetectWithUrlAsync(urlOfMaybeDoug)).ToArray());
            var found = await client.Face.IdentifyAsync(detectedFaces.Select(df => df.FaceId).ToList(), personGroupId);
            Console.WriteLine("Found face " + found.Count);
            Console.WriteLine("Found person = " + found.First().Candidates.First().PersonId);
            Console.WriteLine("Doug person = " + doug.PersonId);
        }