Added the Important callout

Author: adutta-newrelic

src/content/docs/apis/nerdgraph/examples/nerdgraph-streaming-export.mdx

@@ -103,11 +103,16 @@ Alternatively, you can follow the Azure guide [here](https://learn.microsoft.com
   <Step>
 ### Create an Event Hub[#create-event-hub]
 
-1. In the left column, click <DNT>**Event Hubs**</DNT>.
-2. Then click <DNT>**+Event Hub**</DNT> to create an Event Hub.
-3. Enter the desired Event Hub Name. Save this, as you'll need it later to create the streaming export rule.
-4. For <DNT>**Retention**</DNT>, select the <DNT>**Delete**</DNT> `Cleanup policy` and desired `Retention time (hrs)`. Please note that streaming export is currently not supported for Event Hubs with <DNT>**Compact**</DNT> retention policy.
-5. Once the Event Hub is created, click on the Event Hub.
+    1. In the left column, click <DNT>**Event Hubs**</DNT>.
+    2. Then click <DNT>**+Event Hub**</DNT> to create an Event Hub.
+    3. Enter the desired Event Hub Name. Save this, as you'll need it later to create the streaming export rule.
+    4. For <DNT>**Retention**</DNT>, select the <DNT>**Delete**</DNT> `Cleanup policy` and desired `Retention time (hrs)`.
+
+    <Callout variant="important">
+      Streaming export is currently not supported for Event Hubs with <DNT>**Compact**</DNT> retention policy.
+    </Callout>
+
+    5. Once the Event Hub is created, click on the Event Hub.
   </Step>
   <Step>
 ### Create and attach a shared access policy [#event-hub-policy]