Chat Playground Sample Code: Incomplete C# Code for Key Authentication

From Chat Playground,

1. Click on View Code
2. Change Language to C#
3. Select Tab Key authentication

Sample Code

// Install the .NET library via NuGet: dotnet add package Azure.AI.OpenAI --prerelease  
using System;  
using System.Collections.Generic;  
using System.Threading.Tasks;  
using Azure;  
using Azure.AI.OpenAI;  
using Azure.AI.OpenAI.Chat;  
using Azure.Identity;  
using OpenAI.Chat;  
using static System.Environment;  

string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");  
string deploymentName = GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_ID");  
string searchEndpoint = GetEnvironmentVariable("AZURE_AI_SEARCH_ENDPOINT");  
string searchIndex = GetEnvironmentVariable("AZURE_AI_SEARCH_INDEX");  
string openAiApiKey = GetEnvironmentVariable("AZURE_OPENAI_KEY");  

#pragma warning disable AOAI001 // Suppress the diagnostic warning  
AzureKeyCredential credential = new(openAiApiKey); // Add your OpenAI API key here  
AzureOpenAIClient azureClient = new(  
    new Uri(endpoint),  
    credential  
);  
ChatClient chatClient = azureClient.GetChatClient(deploymentName);  


// Setup chat completion options with Azure Search data source  
ChatCompletionOptions options = new ChatCompletionOptions();  
options.AddDataSource(new AzureSearchChatDataSource()  
{  
    Endpoint = new Uri(searchEndpoint),  
    IndexName = searchIndex,  
    Authentication = DataSourceAuthentication.FromApiKey(GetEnvironmentVariable("OYD_SEARCH_KEY")), // Add your Azure AI Search admin key here  
});  


// Create chat completion request  
ChatCompletion completion = chatClient.CompleteChat(  
    new List<ChatMessage>()  
    {  
        new UserChatMessage("")  
    },  
    new ChatCompletionOptions  
    {  
        PastMessages = 10,  
        Temperature = (float)1,  
        TopP = (float)1,  
        FrequencyPenalty = (float)0,  
        PresencePenalty = (float)0,  
        MaxTokens = 800,  
        StopSequences = new List<string>(),  
    }  
);  

// Process and print the response  
AzureChatMessageContext onYourDataContext = completion.GetAzureMessageContext();  
Console.WriteLine(completion.Role + ": " + completion.Content[0].Text);  
if (onYourDataContext?.Intent is not null)  
{  
    Console.WriteLine($"Intent: {onYourDataContext.Intent}");  
}  
foreach (AzureChatCitation citation in onYourDataContext?.Citations ?? new List<AzureChatCitation>())  
{  
    Console.WriteLine($"Citation: {citation.Content}");  
}  

#pragma warning restore AOAI001 // Restore the diagnostic warning

This should be updated as follows:

// Install the .NET library via NuGet: dotnet add package Azure.AI.OpenAI --prerelease  
using System;  
using System.Collections.Generic;  
using System.Threading.Tasks;  
using Azure;  
using Azure.AI.OpenAI;  
using Azure.AI.OpenAI.Chat;  
using Azure.Identity;  
using OpenAI.Chat;  
using static System.Environment;  

string endpoint = GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT");  
string deploymentName = GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_ID");  
string searchEndpoint = GetEnvironmentVariable("AZURE_AI_SEARCH_ENDPOINT");  
string searchIndex = GetEnvironmentVariable("AZURE_AI_SEARCH_INDEX");  
string openAiApiKey = GetEnvironmentVariable("AZURE_OPENAI_KEY");  

#pragma warning disable AOAI001 // Suppress the diagnostic warning  
AzureKeyCredential credential = new(openAiApiKey); // Add your OpenAI API key here  
AzureOpenAIClient azureClient = new(  
    new Uri(endpoint),  
    credential  
);  
ChatClient chatClient = azureClient.GetChatClient(deploymentName);  

// Setup chat completion options with Azure Search data source  
ChatCompletionOptions options = new ChatCompletionOptions()
{
    Temperature = (float)1,
    TopP = (float)1,
    FrequencyPenalty = (float)0,
    PresencePenalty = (float)0,
    MaxOutputTokenCount = 800
} 
options.AddDataSource(new AzureSearchChatDataSource()  
{  
    Endpoint = new Uri(searchEndpoint),  
    IndexName = searchIndex,  
    Authentication = DataSourceAuthentication.FromApiKey(GetEnvironmentVariable("OYD_SEARCH_KEY")), // Add your Azure AI Search admin key here
});  

// Create chat completion request  
ChatCompletion completion = chatClient.CompleteChat(  
    new List<ChatMessage>()  
    {  
        new UserChatMessage("<YOUR_MESSAGE_HERE>")  
    },  
    options
);  

// Process and print the response  
AzureChatMessageContext onYourDataContext = completion.GetAzureMessageContext();  
Console.WriteLine(completion.Role + ": " + completion.Content[0].Text);  
if (onYourDataContext?.Intent is not null)  
{  
    Console.WriteLine($"Intent: {onYourDataContext.Intent}");  
}  
foreach (AzureChatCitation citation in onYourDataContext?.Citations ?? new List<AzureChatCitation>())  
{  
    Console.WriteLine($"Citation: {citation.Content}");  
}  

#pragma warning restore AOAI001 // Restore the diagnostic warning