add example to get property from object

Author: tfitzmac

articles/azure-resource-manager/templates/data-types.md

@@ -4,7 +4,7 @@ description: Describes the data types that are available in Azure Resource Manag
 ms.topic: conceptual
 ms.author: tomfitz
 author: tfitzmac
-ms.date: 04/27/2022
+ms.date: 06/27/2022
 ---
 
 # Data types in ARM templates
@@ -121,6 +121,34 @@ Objects start with a left brace (`{`) and end with a right brace (`}`). Each pro
 }
 ```
 
+You can get a property from an object with dot notation.
+
+```json
+{
+    "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
+    "contentVersion": "1.0.0.0",
+    "parameters": {
+        "exampleObject": {
+            "type": "object",
+            "defaultValue": {
+                "name": "test name",
+                "id": "123-abc",
+                "isCurrent": true,
+                "tier": 1
+            }
+        }
+    },
+    "resources": [
+    ],
+    "outputs": {
+        "nameFromObject": {
+            "type": "string",
+            "value": "[parameters('exampleObject').name]"
+        }
+    }
+}
+```
+
 ## Strings
 
 Strings are marked with double quotes.