diff --git a/schemas/2018-11-20/Microsoft.GuestConfiguration.json b/schemas/2018-11-20/Microsoft.GuestConfiguration.json
index 1d88c614f0..48e74023df 100644
--- a/schemas/2018-11-20/Microsoft.GuestConfiguration.json
+++ b/schemas/2018-11-20/Microsoft.GuestConfiguration.json
@@ -164,6 +164,20 @@
             }
           ],
           "description": "Guest configuration is an artifact that encapsulates DSC configuration and its dependencies. The artifact is a zip file containing DSC configuration (as MOF) and dependent resources and other dependencies like modules."
+        },
+        "vmssVMList": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/VMSSVMInfo"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The list of VM Compliance data for VMSS"
         }
       },
       "description": "Guest configuration assignment properties."
@@ -202,6 +216,20 @@
           ],
           "description": "The configuration parameters for the guest configuration."
         },
+        "configurationProtectedParameter": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/ConfigurationParameter"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The protected configuration parameters for the guest configuration."
+        },
         "configurationSetting": {
           "oneOf": [
             {
@@ -245,6 +273,11 @@
         }
       },
       "description": "Guest configuration is an artifact that encapsulates DSC configuration and its dependencies. The artifact is a zip file containing DSC configuration (as MOF) and dependent resources and other dependencies like modules."
+    },
+    "VMSSVMInfo": {
+      "type": "object",
+      "properties": {},
+      "description": "Information about VMSS VM"
     }
   }
 }
\ No newline at end of file
diff --git a/schemas/2020-06-25/Microsoft.GuestConfiguration.json b/schemas/2020-06-25/Microsoft.GuestConfiguration.json
index c36cd459bd..da3be5492d 100644
--- a/schemas/2020-06-25/Microsoft.GuestConfiguration.json
+++ b/schemas/2020-06-25/Microsoft.GuestConfiguration.json
@@ -255,6 +255,20 @@
               "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
             }
           ]
+        },
+        "vmssVMList": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/VMSSVMInfo"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The list of VM Compliance data for VMSS"
         }
       },
       "description": "Guest configuration assignment properties."
@@ -293,6 +307,20 @@
           ],
           "description": "The configuration parameters for the guest configuration."
         },
+        "configurationProtectedParameter": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/ConfigurationParameter"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The protected configuration parameters for the guest configuration."
+        },
         "configurationSetting": {
           "oneOf": [
             {
@@ -341,6 +369,11 @@
       "type": "object",
       "properties": {},
       "description": "Information about the VM."
+    },
+    "VMSSVMInfo": {
+      "type": "object",
+      "properties": {},
+      "description": "Information about VMSS VM"
     }
   }
 }
\ No newline at end of file
diff --git a/schemas/2021-01-25/Microsoft.GuestConfiguration.json b/schemas/2021-01-25/Microsoft.GuestConfiguration.json
index 048d00d373..5e462a15cd 100644
--- a/schemas/2021-01-25/Microsoft.GuestConfiguration.json
+++ b/schemas/2021-01-25/Microsoft.GuestConfiguration.json
@@ -307,6 +307,20 @@
           ],
           "description": "The configuration parameters for the guest configuration."
         },
+        "configurationProtectedParameter": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/ConfigurationParameter"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The protected configuration parameters for the guest configuration."
+        },
         "configurationSetting": {
           "oneOf": [
             {