Merge pull request #112334 from kulkarnisonia16/kulkarnisonia16-patch-1

Making the warning clearer and adding note

Author: PRMerger15

articles/azure-functions/functions-reference-java.md

@@ -154,6 +154,9 @@ Functions lets you customize the Java virtual machine (JVM) used to run your Jav
 
 You can provide additional arguments in an app setting named `JAVA_OPTS`. You can add app settings to your function app deployed to Azure in the Azure portal or the Azure CLI.
 
+> [!IMPORTANT]  
+> In the Consumption plan, you must also add the WEBSITE_USE_PLACEHOLDER setting with a value of 0 for the customization to work. This setting does increase the cold start times for Java functions.
+
 ### Azure portal
 
 In the [Azure portal](https://portal.azure.com), use the [Application Settings tab](functions-how-to-use-azure-function-app-settings.md#settings) to add the `JAVA_OPTS` setting.
@@ -162,16 +165,22 @@ In the [Azure portal](https://portal.azure.com), use the [Application Settings t
 
 You can use the [az functionapp config appsettings set](/cli/azure/functionapp/config/appsettings) command to set `JAVA_OPTS`, as in the following example:
 
+#### [Consumption plan](#tab/consumption)
+```azurecli-interactive
+az functionapp config appsettings set \
+--settings "JAVA_OPTS=-Djava.awt.headless=true" \
+"WEBSITE_USE_PLACEHOLDER=0" \
+--name <APP_NAME> --resource-group <RESOURCE_GROUP>
+```
+#### [Dedicated plan / Premium plan](#tab/dedicated+premium)
 ```azurecli-interactive
-az functionapp config appsettings set --name <APP_NAME> \
---resource-group <RESOURCE_GROUP> \
---settings "JAVA_OPTS=-Djava.awt.headless=true"
+az functionapp config appsettings set \
+--settings "JAVA_OPTS=-Djava.awt.headless=true" \
+--name <APP_NAME> --resource-group <RESOURCE_GROUP>
 ```
-This example enables headless mode. Replace `<APP_NAME>` with the name of your function app, and `<RESOURCE_GROUP>` with the resource group.
+---
 
-> [!WARNING]  
-> In the [Consumption plan](functions-scale.md#consumption-plan), you must add the  `WEBSITE_USE_PLACEHOLDER` setting with a value of `0`.  
-This setting does increase the cold start times for Java functions.
+This example enables headless mode. Replace `<APP_NAME>` with the name of your function app, and `<RESOURCE_GROUP>` with the resource group. 
 
 ## Third-party libraries 
 
@@ -442,6 +451,9 @@ public class Function {
 
 ```
 
+> [!NOTE]
+> The value of AppSetting FUNCTIONS_EXTENSION_VERSION should be ~2 or ~3 for an optimized cold start experience.
+
 ## Next steps
 
 For more information about Azure Functions Java development, see the following resources: