diff --git a/specification/contosowidgetmanager/Contoso.WidgetManager.Shared/main.tsp b/specification/contosowidgetmanager/Contoso.WidgetManager.Shared/main.tsp
index 68dc135bd136..1b94bb705031 100644
--- a/specification/contosowidgetmanager/Contoso.WidgetManager.Shared/main.tsp
+++ b/specification/contosowidgetmanager/Contoso.WidgetManager.Shared/main.tsp
@@ -4,5 +4,5 @@ model FakedSharedModel {
   tag: string;
 
   @doc("The created date.")
-  createdDate: utcDateTime;
+  createdAt: utcDateTime;
 }
diff --git a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_CreateOrUpdateWidgetSample.json b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_CreateOrUpdateWidgetSample.json
index 7bc10a6367ae..f3f2a8b0056c 100644
--- a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_CreateOrUpdateWidgetSample.json
+++ b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_CreateOrUpdateWidgetSample.json
@@ -8,7 +8,7 @@
       "manufacturerId": "manufacturer id1",
       "sharedModel": {
         "tag": "tag1",
-        "createdDate": "2023-01-09T02:12:25.689Z"
+        "createdAt": "2023-01-09T02:12:25.689Z"
       }
     }
   },
@@ -19,7 +19,7 @@
         "manufacturerId": "manufacturer id1",
         "sharedModel": {
           "tag": "tag1",
-          "createdDate": "2023-01-09T02:12:25.689Z"
+          "createdAt": "2023-01-09T02:12:25.689Z"
         }
       }
     },
@@ -29,7 +29,7 @@
         "manufacturerId": "manufacturer id1",
         "sharedModel": {
           "tag": "tag1",
-          "createdDate": "2023-01-09T02:12:25.689Z"
+          "createdAt": "2023-01-09T02:12:25.689Z"
         }
       }
     }
diff --git a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_GetWidgetOperationStatusSample.json b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_GetWidgetOperationStatusSample.json
index c88b6155b003..3d3b76b030dc 100644
--- a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_GetWidgetOperationStatusSample.json
+++ b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_GetWidgetOperationStatusSample.json
@@ -35,7 +35,7 @@
           "manufacturerId": "manufacturer Id1",
           "sharedModel": {
             "tag": "tag1",
-            "createdDate": "2023-01-09T02:12:25.689Z"
+            "createdAt": "2023-01-09T02:12:25.689Z"
           }
         },
         "widgetName": "rfazvwnfwwomiwrh"
diff --git a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_ListWidgetsSample.json b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_ListWidgetsSample.json
index 60cfc8902fb8..5b7d6e82d933 100644
--- a/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_ListWidgetsSample.json
+++ b/specification/contosowidgetmanager/Contoso.WidgetManager/examples/2022-11-01-preview/Widgets_ListWidgetsSample.json
@@ -16,7 +16,7 @@
             "manufacturerId": "manufacturer Id1",
             "sharedModel": {
               "tag": "tag1",
-              "createdDate": "2023-01-09T02:12:25.689Z"
+              "createdAt": "2023-01-09T02:12:25.689Z"
             }
           }
         ],
diff --git a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_CreateOrUpdateWidgetSample.json b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_CreateOrUpdateWidgetSample.json
index 7bc10a6367ae..f3f2a8b0056c 100644
--- a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_CreateOrUpdateWidgetSample.json
+++ b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_CreateOrUpdateWidgetSample.json
@@ -8,7 +8,7 @@
       "manufacturerId": "manufacturer id1",
       "sharedModel": {
         "tag": "tag1",
-        "createdDate": "2023-01-09T02:12:25.689Z"
+        "createdAt": "2023-01-09T02:12:25.689Z"
       }
     }
   },
@@ -19,7 +19,7 @@
         "manufacturerId": "manufacturer id1",
         "sharedModel": {
           "tag": "tag1",
-          "createdDate": "2023-01-09T02:12:25.689Z"
+          "createdAt": "2023-01-09T02:12:25.689Z"
         }
       }
     },
@@ -29,7 +29,7 @@
         "manufacturerId": "manufacturer id1",
         "sharedModel": {
           "tag": "tag1",
-          "createdDate": "2023-01-09T02:12:25.689Z"
+          "createdAt": "2023-01-09T02:12:25.689Z"
         }
       }
     }
diff --git a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_GetWidgetOperationStatusSample.json b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_GetWidgetOperationStatusSample.json
index c88b6155b003..3d3b76b030dc 100644
--- a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_GetWidgetOperationStatusSample.json
+++ b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_GetWidgetOperationStatusSample.json
@@ -35,7 +35,7 @@
           "manufacturerId": "manufacturer Id1",
           "sharedModel": {
             "tag": "tag1",
-            "createdDate": "2023-01-09T02:12:25.689Z"
+            "createdAt": "2023-01-09T02:12:25.689Z"
           }
         },
         "widgetName": "rfazvwnfwwomiwrh"
diff --git a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_ListWidgetsSample.json b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_ListWidgetsSample.json
index 60cfc8902fb8..5b7d6e82d933 100644
--- a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_ListWidgetsSample.json
+++ b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/examples/Widgets_ListWidgetsSample.json
@@ -16,7 +16,7 @@
             "manufacturerId": "manufacturer Id1",
             "sharedModel": {
               "tag": "tag1",
-              "createdDate": "2023-01-09T02:12:25.689Z"
+              "createdAt": "2023-01-09T02:12:25.689Z"
             }
           }
         ],
diff --git a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/widgets.json b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/widgets.json
index 545a9fd14613..86334ef4fb6d 100644
--- a/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/widgets.json
+++ b/specification/contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager/preview/2022-11-01-preview/widgets.json
@@ -427,7 +427,7 @@
           "type": "string",
           "description": "The tag."
         },
-        "createdDate": {
+        "createdAt": {
           "type": "string",
           "format": "date-time",
           "description": "The created date."
@@ -436,7 +436,7 @@
       "description": "Faked shared model",
       "required": [
         "tag",
-        "createdDate"
+        "createdAt"
       ]
     },
     "FakedSharedModelUpdate": {
@@ -446,7 +446,7 @@
           "type": "string",
           "description": "The tag."
         },
-        "createdDate": {
+        "createdAt": {
           "type": "string",
           "format": "date-time",
           "description": "The created date."