diff --git a/specification/compute/quickstart-templates/aliases.json b/specification/compute/quickstart-templates/aliases.json
index d6824855d13e..60d07919b422 100644
--- a/specification/compute/quickstart-templates/aliases.json
+++ b/specification/compute/quickstart-templates/aliases.json
@@ -32,7 +32,7 @@
           "openSUSE-Leap": {
             "publisher":"SUSE",
             "offer":"openSUSE-Leap",
-            "sku":"42.2",
+            "sku":"42.3",
             "version": "latest"
           },
           "RHEL":{
diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/examples/createSubscription.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/examples/createSubscription.json
index c81ef116b042..61eb752fccf9 100644
--- a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/examples/createSubscription.json
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/examples/createSubscription.json
@@ -12,7 +12,13 @@
         {
           "objectId": "67439a9e-8519-4016-a630-f5f805eba567"
         }
-      ]
+      ],
+      "additionalParameters": {
+        "customData": {
+          "key1": "value1",
+          "key2": true
+        }
+      }
     }
   },
   "responses": {
diff --git a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/subscriptions.json b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/subscriptions.json
index 24567f46bc5d..9da204026fb3 100644
--- a/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/subscriptions.json
+++ b/specification/subscription/resource-manager/Microsoft.Subscription/preview/2018-03-01-preview/subscriptions.json
@@ -172,6 +172,13 @@
             "MS-AZR-0017P",
             "MS-AZR-0148P"
           ]
+        },
+        "additionalParameters": {  
+          "description": "Additional, untyped parameters to support custom subscription creation scenarios.",
+          "type": "object",
+          "additionalProperties": {  
+            "type": "object"
+          }
         }
       }
     },