Add intro about model

Author: ejizba

articles/azure-functions/functions-bindings-cosmosdb-v2-input.md

@@ -18,6 +18,9 @@ For information on setup and configuration details, see the [overview](./functio
 > When the collection is [partitioned](../cosmos-db/partitioning-overview.md#logical-partitions), lookup operations must also specify the partition key value.
 >
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-cosmosdb-v2-output.md

@@ -14,6 +14,9 @@ The Azure Cosmos DB output binding lets you write a new document to an Azure Cos
 
 For information on setup and configuration details, see the [overview](./functions-bindings-cosmosdb-v2.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-cosmosdb-v2-trigger.md

@@ -16,6 +16,9 @@ For information on setup and configuration details, see the [overview](./functio
 
 Cosmos DB scaling decisions for the Consumption and Premium plans are done via target-based scaling. For more information, see [Target-based scaling](functions-target-based-scaling.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-event-grid-output.md

@@ -15,6 +15,9 @@ Use the Event Grid output binding to write events to a custom topic. You must ha
 
 For information on setup and configuration details, see [How to work with Event Grid triggers and bindings in Azure Functions](event-grid-how-tos.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-event-grid-trigger.md

@@ -15,6 +15,9 @@ Use the function trigger to respond to an event sent by an [Event Grid source](.
 > [!NOTE]
 > Event Grid triggers aren't natively supported in an internal load balancer App Service Environment (ASE). The trigger uses an HTTP request that can't reach the function app without a gateway into the virtual network.
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-event-hubs-output.md

@@ -18,6 +18,9 @@ Use the Event Hubs output binding to write events to an event stream. You must h
 
 Make sure the required package references are in place before you try to implement an output binding.
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-http-webhook-output.md

@@ -42,6 +42,8 @@ In the [Java functions runtime library](/java/api/overview/azure/functions/runti
 
 ::: zone-end 
 ::: zone pivot="programming-language-javascript,programming-language-typescript"  
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+
 ## Configuration
 
 # [Model v4](#tab/nodejs-v4)

articles/azure-functions/functions-bindings-http-webhook-trigger.md

@@ -23,6 +23,9 @@ For more information about HTTP bindings, see the [overview](./functions-binding
 
 [!INCLUDE [HTTP client best practices](../../includes/functions-http-client-best-practices.md)]
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-service-bus-output.md

@@ -15,6 +15,9 @@ Use Azure Service Bus output binding to send queue or topic messages.
 
 For information on setup and configuration details, see the [overview](functions-bindings-service-bus.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-service-bus-trigger.md

@@ -18,6 +18,9 @@ For information on setup and configuration details, see the [overview](functions
 
 Service Bus scaling decisions for the Consumption and Premium plans are made based on target-based scaling. For more information, see [Target-based scaling](functions-target-based-scaling.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-storage-blob-input.md

@@ -14,6 +14,9 @@ The input binding allows you to read blob storage data as input to an Azure Func
 
 For information on setup and configuration details, see the [overview](./functions-bindings-storage-blob.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-storage-blob-output.md

@@ -14,6 +14,9 @@ The output binding allows you to modify and delete blob storage data in an Azure
 
 For information on setup and configuration details, see the [overview](./functions-bindings-storage-blob.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-storage-blob-trigger.md

@@ -17,6 +17,9 @@ The Blob storage trigger starts a function when a new or updated blob is detecte
 
 For information on setup and configuration details, see the [overview](./functions-bindings-storage-blob.md). 
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"  
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-storage-queue-output.md

@@ -14,6 +14,9 @@ Azure Functions can create new Azure Queue storage messages by setting up an out
 
 For information on setup and configuration details, see the [overview](./functions-bindings-storage-queue.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-storage-queue-trigger.md

@@ -14,6 +14,9 @@ The queue storage trigger runs a function as messages are added to Azure Queue s
 
 Azure Queue storage scaling decisions for the Consumption and Premium plans are done via target-based scaling. For more information, see [Target-based scaling](functions-target-based-scaling.md).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"  
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

articles/azure-functions/functions-bindings-timer.md

@@ -21,6 +21,9 @@ For information on how to manually run a timer-triggered function, see [Manually
 
 Source code for the timer extension package is in the [azure-webjobs-sdk-extensions](https://github.com/Azure/azure-webjobs-sdk-extensions/blob/master/src/WebJobs.Extensions/Extensions/Timers/) GitHub repository.
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](../../includes/functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

includes/functions-bindings-event-hubs-trigger.md

@@ -12,6 +12,9 @@ Event Hubs scaling decisions for the Consumption and Premium plans are done via
 
 For information about how Azure Functions responds to events sent to an event hub event stream using triggers, see [Integrate Event Hubs with serverless functions on Azure](/azure/architecture/serverless/event-hubs-functions/event-hubs-functions#consuming-events-with-azure-functions).
 
+::: zone pivot="programming-language-javascript,programming-language-typescript"
+[!INCLUDE [functions-nodejs-model-tabs-description](./functions-nodejs-model-tabs-description.md)]
+::: zone-end
 ::: zone pivot="programming-language-python"
 Azure Functions supports two programming models for Python. The way that you define your bindings depends on your chosen programming model.
 

includes/functions-nodejs-model-tabs-description.md

@@ -0,0 +1,13 @@
+---
+title: include file
+description: include file
+author: ejizba
+ms.service: azure-functions
+ms.topic: include
+ms.date: 08/30/2023
+ms.author: erijiz
+ms.custom: include file
+---
+
+> [!IMPORTANT]
+> This article uses tabs to support multiple versions of the Node.js programming model. The v4 model is currently in preview and is designed to have a more flexible and intuitive experience for JavaScript and TypeScript developers. Learn more about the differences between v3 and v4 in the [upgrade guide](../articles/azure-functions/functions-node-upgrade-v4.md).