Restored now-fixed link to sample repo

Author: KarlErickson

articles/azure-functions/functions-event-hub-cosmos-db.md

@@ -33,6 +33,8 @@ To complete this tutorial, you must have the following installed:
 > [!IMPORTANT]
 > The `JAVA_HOME` environment variable must be set to the install location of the JDK to complete this tutorial.
 
+If you prefer to use the code for this tutorial directly, see the [java-functions-eventhub-cosmosdb](https://github.com/Azure-Samples/java-functions-eventhub-cosmosdb) sample repo.
+
 [!INCLUDE [cloud-shell-try-it.md](../../includes/cloud-shell-try-it.md)]
 
 ## Create Azure resources