diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/AgentPoolsCreate_Update.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/AgentPoolsCreate_Update.json
index 6c2d6028dc4a..df1598f47fbd 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/AgentPoolsCreate_Update.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/AgentPoolsCreate_Update.json
@@ -21,7 +21,8 @@
           "Key1=Value1:NoSchedule"
         ],
         "scaleSetPriority": "Low",
-        "scaleSetEvictionPolicy": "Delete"
+        "scaleSetEvictionPolicy": "Delete",
+        "mode": "User"
       }
     }
   },
@@ -48,7 +49,8 @@
             "Key1=Value1:NoSchedule"
           ],
           "scaleSetPriority": "Low",
-          "scaleSetEvictionPolicy": "Delete"
+          "scaleSetEvictionPolicy": "Delete",
+          "mode": "User"
         }
       }
     },
@@ -74,7 +76,8 @@
             "Key1=Value1:NoSchedule"
           ],
           "scaleSetPriority": "Low",
-          "scaleSetEvictionPolicy": "Delete"
+          "scaleSetEvictionPolicy": "Delete",
+          "mode": "User"
         }
       }
     }
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/ManagedClustersCreate_Update.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/ManagedClustersCreate_Update.json
index ffdf05ab1307..f8c21e503ff4 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/ManagedClustersCreate_Update.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/examples/ManagedClustersCreate_Update.json
@@ -29,7 +29,8 @@
               "2",
               "3"
             ],
-            "enableNodePublicIP": true
+            "enableNodePublicIP": true,
+            "mode": "System"
           }
         ],
         "linuxProfile": {
@@ -101,7 +102,8 @@
                 "2",
                 "3"
               ],
-              "enableNodePublicIP": true
+              "enableNodePublicIP": true,
+              "mode": "System"
             }
           ],
           "linuxProfile": {
@@ -186,7 +188,8 @@
                 "2",
                 "3"
               ],
-              "enableNodePublicIP": true
+              "enableNodePublicIP": true,
+              "mode": "System"
             }
           ],
           "linuxProfile": {
diff --git a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/managedClusters.json b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/managedClusters.json
index fea16ecfc383..aa93e0aedb66 100644
--- a/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/managedClusters.json
+++ b/specification/containerservice/resource-manager/Microsoft.ContainerService/stable/2020-03-01/managedClusters.json
@@ -1427,8 +1427,8 @@
           "type": "integer",
           "format": "int32",
           "maximum": 100,
-          "minimum": 1,
-          "description": "Number of agents (VMs) to host docker containers. Allowed values must be in the range of 1 to 100 (inclusive). The default value is 1. ",
+          "minimum": 0,
+          "description": "Number of agents (VMs) to host docker containers. Allowed values must be in the range of 0 to 100 (inclusive). The default value is 1. ",
           "default": 1
         },
         "vmSize": {
@@ -1470,6 +1470,10 @@
           "$ref": "#/definitions/AgentPoolType",
           "description": "AgentPoolType represents types of an agent pool"
         },
+        "mode": {
+          "$ref": "#/definitions/AgentPoolMode",
+          "description": "AgentPoolMode represents mode of an agent pool"
+        },
         "orchestratorVersion": {
           "type": "string",
           "description": "Version of orchestrator specified when creating the managed cluster."
@@ -1562,6 +1566,18 @@
       },
       "description": "AgentPoolType represents types of an agent pool."
     },
+    "AgentPoolMode": {
+      "type": "string",
+      "enum": [
+        "System",
+        "User"
+      ],
+      "x-ms-enum": {
+        "name": "AgentPoolMode",
+        "modelAsString": true
+      },
+      "description": "AgentPoolMode represents mode of an agent pool."
+    },
     "AgentPoolListResult": {
       "properties": {
         "value": {
diff --git a/specification/containerservice/resource-manager/readme.md b/specification/containerservice/resource-manager/readme.md
index 87f1181193d8..b85391585f92 100644
--- a/specification/containerservice/resource-manager/readme.md
+++ b/specification/containerservice/resource-manager/readme.md
@@ -490,6 +490,7 @@ input-file:
   - $(this-folder)/Microsoft.ContainerService/stable/2019-04-30/openShiftManagedClusters.json
   - $(this-folder)/Microsoft.ContainerService/stable/2017-07-01/containerService.json
   - $(this-folder)/Microsoft.ContainerService/stable/2019-08-01/location.json
+  - $(this-folder)/Microsoft.ContainerService/stable/2020-03-01/managedClusters.json
   - $(this-folder)/Microsoft.ContainerService/stable/2020-02-01/managedClusters.json
   - $(this-folder)/Microsoft.ContainerService/stable/2020-01-01/managedClusters.json
   - $(this-folder)/Microsoft.ContainerService/stable/2019-11-01/managedClusters.json
diff --git a/specification/containerservice/resource-manager/readme.python.md b/specification/containerservice/resource-manager/readme.python.md
index 109b868d9d38..79522fde81ec 100644
--- a/specification/containerservice/resource-manager/readme.python.md
+++ b/specification/containerservice/resource-manager/readme.python.md
@@ -18,7 +18,7 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(python) && $(multiapi)
 batch:
-  - tag: pacakge-2020-03-01-only
+  - tag: package-2020-03-01-only
   - tag: package-2020-02-01-only
   - tag: package-2020-01-01-only
   - tag: package-2019-11-01-only