updated steps and screenshots

Author: spelluru

articles/event-grid/custom-event-to-function.md

@@ -1,63 +1,87 @@
 ---
 title: 'Quickstart: Send custom events to Azure Function - Event Grid'
 description: 'Quickstart: Use Azure Event Grid and Azure CLI or portal to publish a topic, and subscribe to that event. An Azure Function is used for the endpoint.'
-ms.date: 09/28/2021
+ms.date: 11/02/2022
 ms.topic: quickstart
 ms.custom: mode-other, devx-track-azurecli 
 ms.devlang: azurecli
 ---
 
 # Quickstart: Route custom events to an Azure Function with Event Grid
 
-Azure Event Grid is an eventing service for the cloud. Azure Functions is one of the supported event handlers. In this article, you use the Azure portal to create a custom topic, subscribe to the custom topic, and trigger the event to view the result. You send the events to an Azure Function.
+[Azure Event Grid](overview.md) is an eventing service for the cloud. Azure Functions is one of the [supported event handlers](event-handlers.md). In this article, you use the Azure portal to create a custom topic, subscribe to the custom topic, and trigger the event to view the result. You send the events to an Azure Function.
 
 [!INCLUDE [quickstarts-free-trial-note.md](../../includes/quickstarts-free-trial-note.md)]
 
-## Create Azure Function
+## Create Azure function app
+
+1. Sign in to the [Azure portal](https://portal.azure.com).
+1. On the left navigational menu, select **All services**.
+1. Select **Compute** in the list of **Categories**.
+1. Hover (not select) the mouse over **Function App**, and select **Create**.
+
+    :::image type="content" source="./media/custom-event-to-function/create-function-app-link.png" lightbox="./media/custom-event-to-function/create-function-app-link.png" alt-text="Screenshot showing the select of **Create** link for a **Function App**.":::    
+1. On the **Basics** page of the **Create Function App** wizard, follow these steps: 
+    1. Select your **Azure subscription** in which you want to create the function app.
+    1. Create a new **resource group** or select an existing resource group.
+    1. Specify a **name** for the function app.
+    1. Select **.NET** for **Runtime stack**.
+    1. Select the **region** closest to you. 
+    1. Select **Next: Hosting** at the bottom of the page. 
+    
+        :::image type="content" source="./media/custom-event-to-function/create-function-app-page.png" alt-text="Screenshot showing the **Basics** tab of the **Create Function App** page.":::    
+1. On the **Hosting** page, create a new storage account or select an existing storage account to be associated with the function app, and then select **Review + create** at the bottom of the page. 
+        
+    :::image type="content" source="./media/custom-event-to-function/create-function-app-hosting-page.png" alt-text="Screenshot showing the **Hosting** tab of the **Create Function App** page.":::  
+1. On the **Review + create** page, review settings, and select **Create** at the bottom of the page to create the function app.   
+1. Once the deployment is successful, select **Go to resource** to navigate to the home page for the function app. 
+
+## Create a function
 Before subscribing to the custom topic, create a function to handle the events. 
 
-1. Create a function app using instructions from [Create a function app](../azure-functions/functions-get-started.md).
 1. On the **Function App** page, select **Functions** on the left menu. 
-1. Select **+Create** on the toolbar to create a function.
+1. Select **+ Create** on the toolbar to create a function.
+
+    :::image type="content" source="./media/custom-event-to-function/create-function-link.png" alt-text="Screenshot showing the selection of **Create function** link.":::  
+    
 1. On the **Create Function** page, follow these steps:
     1. This step is optional. For **Development environment**, select the development environment that you want to use to work with the function code. 
-    1. Select **Azure Event Grid Trigger** in the **Select a template** section. 
-    1. Enter a name for the function. In this example, it's **HandleEventsFunc**. 
+    1. Select **Azure Event Grid Trigger** in the **Select a template** section. Use the scroll bar right to the list to scroll down if needed.
+    1. In the **Template details** section in the bottom pane, enter a name for the function. In this example, it's **HandleEventsFunc**. 
 
         :::image type="content" source="./media/custom-event-to-function/function-event-grid-trigger.png" lightbox="./media/custom-event-to-function/function-event-grid-trigger.png" alt-text="Select Event Grid trigger.":::
-4. Use the **Code + Test** page to see the existing code for the function and update it. 
+4. On the **Function** page for the **HandleEventsFunc**, select **Code + Test** on the left navigational menu. You can see the existing code for the function and update it on this page.
 
     :::image type="content" source="./media/custom-event-to-function/function-code-test-menu.png" alt-text="Image showing the selection Code + Test menu for an Azure function.":::
 
-[!INCLUDE [event-grid-register-provider-portal.md](../../includes/event-grid-register-provider-portal.md)]
 
 ## Create a custom topic
 
-An event grid topic provides a user-defined endpoint that you post your events to. 
+An Event Grid topic provides a user-defined endpoint that you post your events to. 
 
-1. Sign in to [Azure portal](https://portal.azure.com/).
-2. Select **All services** on the left navigational menu, search for **Event Grid**, and select **Event Grid Topics**. 
+1. On a new tab of the web browser window, sign in to [Azure portal](https://portal.azure.com/).
+2. In the search bar at the topic, search for **Event Grid Topics**, and select **Event Grid Topics**. 
 
-    :::image type="content" source="./media/custom-event-to-function/select-event-grid-topics.png" alt-text="Image showing the selection of Event Grid Topics.":::
-3. On the **Event Grid Topics** page, select **+ Add** on the toolbar. 
+    :::image type="content" source="./media/custom-event-to-function/select-event-grid-topics.png" alt-text="Image showing the selection of Event Grid topics.":::
+3. On the **Event Grid Topics** page, select **+ Create** on the command bar.
 
-    :::image type="content" source="./media/custom-event-to-function/add-event-grid-topic-button.png" alt-text="Image showing the Create button to create an event grid topic.":::
+    :::image type="content" source="./media/custom-event-to-function/add-event-grid-topic-button.png" alt-text="Screenshot showing the Create button to create an Event Grid topic.":::
 4. On the **Create Topic** page, follow these steps:
     1. Select your **Azure subscription**.
     2. Select the same **resource group** from the previous steps.
     3. Provide a unique **name** for the custom topic. The topic name must be unique because it's represented by a DNS entry. Don't use the name shown in the image. Instead, create your own name - it must be between 3-50 characters and contain only values a-z, A-Z, 0-9, and "-".
-    4. Select a **location** for the event grid topic.
+    4. Select a **location** for the Event Grid topic.
     5. Select **Review + create**. 
 
         :::image type="content" source="./media/custom-event-to-function/create-custom-topic.png" alt-text="Image showing the Create Topic page.":::      
     1. On the **Review + create** page, review settings and select **Create**. 
-5. After the custom topic has been created, select **Go to resource** link to see the following Event Grid Topic page for the topic you created. 
+5. After the custom topic has been created, select **Go to resource** link to see the following Event Grid topic page for the topic you created. 
 
     :::image type="content" source="./media/custom-event-to-function/event-grid-topic-home-page.png" alt-text="Image showing the home page for your Event Grid custom topic.":::
 
 ## Subscribe to custom topic
 
-You subscribe to an event grid topic to tell Event Grid which events you want to track, and where to send the events.
+You subscribe to an Event Grid topic to tell Event Grid which events you want to track, and where to send the events.
 
 1. Now, on the **Event Grid Topic** page for your custom topic, select **+ Event Subscription** on the toolbar.
 
@@ -89,15 +113,24 @@ The first example uses Azure CLI. It gets the URL and key for the custom topic,
 1. In the Azure portal, select **Cloud Shell**. Select **Bash** in the top-left corner of the Cloud Shell window. 
 
     :::image type="content" source="./media/custom-event-quickstart-portal/cloud-shell-bash.png" alt-text="Image showing Cloud Shell - Bash window":::
+1. Set the `topicname` and `resourcegroupname` variables that will be used in the commands. 
+
+    ```azurecli
+    topicname="TOPICNAME"
+    ```
+
+    ```azurecli
+    resourcegroupname="RESOURCEGROUPNAME"
+    ```
 1. Run the following command to get the **endpoint** for the topic: After you copy and paste the command, update the **topic name** and **resource group name** before you run the command. 
 
     ```azurecli
-    endpoint=$(az eventgrid topic show --name <topic name> -g <resource group name> --query "endpoint" --output tsv)
+    endpoint=$(az eventgrid topic show --name $topicname -g $resourcegroupname --query "endpoint" --output tsv)
     ```
 2. Run the following command to get the **key** for the custom topic: After you copy and paste the command, update the **topic name** and **resource group** name before you run the command. 
 
     ```azurecli
-    key=$(az eventgrid topic key list --name <topic name> -g <resource group name> --query "key1" --output tsv)
+    key=$(az eventgrid topic key list --name $topicname -g $resourcegroupname --query "key1" --output tsv)
     ```
 3. Copy the following statement with the event definition, and press **ENTER**. 
 
@@ -118,6 +151,9 @@ The second example uses PowerShell to perform similar steps.
 
     ```powershell
     $resourceGroupName = <resource group name>
+    ```
+
+    ```powershell
     $topicName = <topic name>
     ```
 3. Run the following commands to get the **endpoint** and the **keys** for the topic: