diff --git a/Instructions/Exercises/02-natural-language-azure-openai.md b/Instructions/Exercises/02-natural-language-azure-openai.md
index 312ae2ff..a23ea796 100644
--- a/Instructions/Exercises/02-natural-language-azure-openai.md
+++ b/Instructions/Exercises/02-natural-language-azure-openai.md
@@ -112,19 +112,18 @@ Now you're ready to use the Azure OpenAI SDK to consume your deployed model.
    // Build completion options object
    ChatCompletionsOptions chatCompletionsOptions = new ChatCompletionsOptions()
    {
-       Messages =
-       {
-          new ChatMessage(ChatRole.System, "You are a helpful assistant."),
-          new ChatMessage(ChatRole.User, "Summarize the following text in 20 words or less:\n" + text),
-       },
-       MaxTokens = 120,
-       Temperature = 0.7f,
+        Messages =
+        {
+            new ChatMessage(ChatRole.System, "You are a helpful assistant."),
+            new ChatMessage(ChatRole.User, "Summarize the following text in 20 words or less:\n" + text),
+        },
+        MaxTokens = 120,
+        Temperature = 0.7f,
+        DeploymentName = oaiModelName
    };
 
    // Send request to Azure OpenAI model
-   ChatCompletions response = client.GetChatCompletions(
-       deploymentOrModelName: oaiModelName, 
-       chatCompletionsOptions);
+   ChatCompletions response = client.GetChatCompletions(chatCompletionsOptions);
    string completion = response.Choices[0].Message.Content;
 
    Console.WriteLine("Summary: " + completion + "\n");
diff --git a/Instructions/Exercises/03-prompt-engineering.md b/Instructions/Exercises/03-prompt-engineering.md
index a807a6b4..dbcf8dc0 100644
--- a/Instructions/Exercises/03-prompt-engineering.md
+++ b/Instructions/Exercises/03-prompt-engineering.md
@@ -249,13 +249,11 @@ Now you're ready to use the Azure OpenAI SDK to consume your deployed model.
         },
         Temperature = 0.7f,
         MaxTokens = 800,
+        DeploymentName = oaiModelName
     };
     
     // Get response from Azure OpenAI
-    Response<ChatCompletions> response = await client.GetChatCompletionsAsync(
-        oaiModelName,
-        chatCompletionsOptions
-    );
+    Response<ChatCompletions> response = await client.GetChatCompletionsAsync(chatCompletionsOptions);
     
     ChatCompletions completions = response.Value;
     string completion = completions.Choices[0].Message.Content;
diff --git a/Instructions/Exercises/04-code-generation.md b/Instructions/Exercises/04-code-generation.md
index 8707ebc9..7676b70b 100644
--- a/Instructions/Exercises/04-code-generation.md
+++ b/Instructions/Exercises/04-code-generation.md
@@ -197,13 +197,11 @@ Now you're ready to use the Azure OpenAI SDK to consume your deployed model.
         },
         Temperature = 0.7f,
         MaxTokens = 1000,
+        DeploymentName = oaiModelName
     };
 
     // Get response from Azure OpenAI
-    Response<ChatCompletions> response = await client.GetChatCompletionsAsync(
-        oaiModelName,
-        chatCompletionsOptions
-    );
+    Response<ChatCompletions> response = await client.GetChatCompletionsAsync(chatCompletionsOptions);
 
     ChatCompletions completions = response.Value;
     string completion = completions.Choices[0].Message.Content;
diff --git a/Labfiles/06-use-own-data/CSharp/OwnData.cs b/Labfiles/06-use-own-data/CSharp/OwnData.cs
index 79137528..6764b627 100644
--- a/Labfiles/06-use-own-data/CSharp/OwnData.cs
+++ b/Labfiles/06-use-own-data/CSharp/OwnData.cs
@@ -36,6 +36,7 @@
     },
     MaxTokens = 600,
     Temperature = 0.9f,
+    DeploymentName = oaiModelName
     AzureExtensionsOptions = new AzureChatExtensionsOptions()
     {
         Extensions =
@@ -51,9 +52,7 @@
 };
 
 // Send request to Azure OpenAI model (Add code here)
-ChatCompletions response = client.GetChatCompletions(
-    deploymentOrModelName: oaiModelName, 
-    chatCompletionsOptions);
+ChatCompletions response = client.GetChatCompletions(chatCompletionsOptions);
 
 ChatMessage responseMessage = response.Choices[0].Message;