diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
index 65158a0dfbbb..277b01e35df6 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/deviceupdate.json
@@ -792,6 +792,10 @@
               "items": {
                 "$ref": "#/definitions/IotHubSettings"
               }
+            },
+            "enableDiagnostics": {
+              "description": "Enables or Disables the diagnostic logs collection",
+              "type": "boolean"
             }
           }
         }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
index 2f88472e3460..dc732514328b 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Create.json
@@ -14,7 +14,8 @@
             "ioTHubConnectionString": "string",
             "eventHubConnectionString": "string"
           }
-        ]
+        ],
+        "enableDiagnostics": false
       }
     }
   },
@@ -32,7 +33,8 @@
             {
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
-          ]
+          ],
+          "enableDiagnostics": false
         }
       }
     }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
index 1f354395ae9e..23b2706d98a3 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Get.json
@@ -20,7 +20,8 @@
             {
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
-          ]
+          ],
+          "enableDiagnostics": false
         }
       }
     }
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
index eac2d6134f84..162edb2678ee 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_ListByAccount.json
@@ -22,7 +22,8 @@
                 {
                   "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
                 }
-              ]
+              ],
+              "enableDiagnostics": false
             }
           },
           {
@@ -37,7 +38,8 @@
                 {
                   "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/red-contoso-hub"
                 }
-              ]
+              ],
+              "enableDiagnostics": false
             }
           }
         ]
diff --git a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
index a431fd26a2db..850030cfa1c0 100644
--- a/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
+++ b/specification/deviceupdate/resource-manager/Microsoft.DeviceUpdate/preview/2020-03-01-preview/examples/Instances/Instances_Update.json
@@ -24,7 +24,8 @@
             {
               "resourceId": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/test-rg/providers/Microsoft.Devices/IotHubs/blue-contoso-hub"
             }
-          ]
+          ],
+          "enableDiagnostics": false
         },
         "tags": {
           "tagKey": "tagValue"