tutorial changes

Author: Venkata Yaddanapudi

articles/event-grid/mqtt-publish-and-subscribe-portal.md

@@ -95,7 +95,7 @@ If you don't already have a certificate, you can create a sample certificate usi
 1. Go to Topic spaces page under MQTT section.
 2. On the Topic spaces page, select **+ Topic space** on the toolbar.
 3. Provide a name for the topic space.  
-4. Select + Add topic template to add the topic template contosotopics/topic1.
+4. Select **+ Add topic template** to add the topic template contosotopics/topic1.
 
     :::image type="content" source="./media/mqtt-publish-and-subscribe-portal/create-topic-space.png" alt-text="Screenshot of topic space configuration.":::
 5. Select **Create** to create the topic space.
@@ -105,9 +105,9 @@ If you don't already have a certificate, you can create a sample certificate usi
 1. Go to Permission bindings page under MQTT section.
 2. On the Permission bindings page, select **+ Permission binding** on the toolbar.
 3. Configure the permission binding as follows:
-    1. Provide a name for the permission binding 
+    1. Provide a name for the permission binding.
     2. Select the client group name as $all.  
-    3. Select the Topic space name as Topicspace1.  
+    3. For Topic space name, select the topic space you created in the previous step.  
     4. Grant Publisher permission to the client group on the topic space.
 
         :::image type="content" source="./media/mqtt-publish-and-subscribe-portal/create-permission-binding-1.png" alt-text="Screenshot showing creation of first permission binding.":::

articles/event-grid/mqtt-routing-to-event-hubs-cli.md

@@ -61,6 +61,14 @@ az eventgrid event-subscription create --name contosoEventSubscription \
 --event-delivery-schema cloudeventschemav1_0
 ```
 
+> [!NOTE]
+> **Routing Event Grid topic considerations:**
+> The Event Grid topic that is used for routing has to fulfill following requirements:
+> - It needs to be set to use the Cloud Event Schema v1.0.
+> - It needs to be in the same region as the namespace.
+> - You need to assign "EventGrid Data Sender" role to yourself on the Event Grid Topic.
+
+
 ## Configure routing in the Event Grid Namespace
 - Save the Namespace object in namespace.json file in resources folder.
 

articles/event-grid/mqtt-routing-to-event-hubs-portal.md

@@ -52,12 +52,24 @@ In this tutorial, you perform the following tasks:
 :::image type="content" source="./media/mqtt-routing-to-event-hubs-portal/event-grid-namespace-routing-configuration.png" alt-text="Screenshot showing the Event Grid routing configuration page to enable routing for the namespace.":::
 2. Select **Enable routing**
 3. Under Topic, select the Event Grid topic that you have created where all MQTT messages will be routed.
-    - This topic needs to fulfill the Event Grid topic requirements for routing.
 
 :::image type="content" source="./media/mqtt-routing/routing-portal-configuration.png" alt-text="Screenshot showing the routing configuration through the portal.":::
 
 4. Select **Apply**
 
+> [!NOTE]
+> **Routing Event Grid topic considerations:**
+> The Event Grid topic that is used for routing has to fulfill following requirements:
+> - It needs to be set to use the Cloud Event Schema v1.0.
+> - It needs to be in the same region as the namespace.
+> - You need to assign "EventGrid Data Sender" role to yourself on the Event Grid Topic.
+> 
+> **Configuration** 
+> - Go to the Event Grid topic resource.
+> - In the "Access control (IAM)" menu item, select **Add role assignment**.
+> - In the "Role" tab, select "EventGrid Data Sender", then select **Next**.
+> - In the "Members" tab, click on **+ Select members**, then type your AD user name in the "Select" box that will appear (e.g. [email protected]).
+> - Select your AD user name, then select **Review + assign**.
 
 ## Viewing the routed MQTT messages in Azure Event Hubs using Azure Stream Analytics query