diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/ManagedEnvironments.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/ManagedEnvironments.json
index 3f191bed60dd..94455576f1cc 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/ManagedEnvironments.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/ManagedEnvironments.json
@@ -1660,6 +1660,13 @@
                 "read"
               ]
             },
+            "availabilityZones": {
+              "type": "array",
+              "items": {
+                "type": "string"
+              },
+              "description": "The list of availability zones to use for managed environment"
+            },
             "customDomainConfiguration": {
               "$ref": "./CommonDefinitions.json#/definitions/CustomDomainConfiguration",
               "description": "Custom domain configuration for the environment"
@@ -1926,4 +1933,3 @@
     }
   ]
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CreateOrUpdate.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CreateOrUpdate.json
index 795048b7fe79..53af6310f383 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CreateOrUpdate.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CreateOrUpdate.json
@@ -63,6 +63,11 @@
           }
         },
         "zoneRedundant": true,
+        "availabilityZones": [
+          "1",
+          "2",
+          "3"
+        ],
         "vnetConfiguration": {
           "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
         },
@@ -169,6 +174,11 @@
             }
           },
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "vnetConfiguration": {
             "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
           },
@@ -273,6 +283,11 @@
             }
           },
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "vnetConfiguration": {
             "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
           },
@@ -321,4 +336,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CustomInfrastructureResourceGroup_Create.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CustomInfrastructureResourceGroup_Create.json
index 05cf23c6e36c..1af5794be6e3 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CustomInfrastructureResourceGroup_Create.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_CustomInfrastructureResourceGroup_Create.json
@@ -15,6 +15,11 @@
           }
         },
         "zoneRedundant": true,
+        "availabilityZones": [
+          "1",
+          "2",
+          "3"
+        ],
         "vnetConfiguration": {
           "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
         },
@@ -70,6 +75,11 @@
             }
           },
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "vnetConfiguration": {
             "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
           },
@@ -127,6 +137,11 @@
             }
           },
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "vnetConfiguration": {
             "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
           },
@@ -169,4 +184,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Get.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Get.json
index aa2c4043c9bc..2e670da20c8f 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Get.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Get.json
@@ -19,6 +19,11 @@
           "defaultDomain": "jlaw-demo1.k4apps.io",
           "staticIp": "20.42.33.145",
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "vnetConfiguration": {
             "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
           },
@@ -77,4 +82,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListByResourceGroup.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListByResourceGroup.json
index 2873853592c9..46a8be2a5c59 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListByResourceGroup.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListByResourceGroup.json
@@ -21,6 +21,11 @@
               "staticIp": "20.42.33.145",
               "appLogsConfiguration": null,
               "zoneRedundant": true,
+              "availabilityZones": [
+                "1",
+                "2",
+                "3"
+              ],
               "vnetConfiguration": {
                 "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
               },
@@ -73,6 +78,11 @@
               "staticIp": "52.142.21.61",
               "appLogsConfiguration": null,
               "zoneRedundant": true,
+              "availabilityZones": [
+                "1",
+                "2",
+                "3"
+              ],
               "customDomainConfiguration": {
                 "customDomainVerificationId": "custom domain verification id",
                 "dnsSuffix": "www.my-name2.com",
@@ -92,4 +102,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListBySubscription.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListBySubscription.json
index 5e0df4692ccf..73d287df65ca 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListBySubscription.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_ListBySubscription.json
@@ -20,6 +20,11 @@
               "staticIp": "20.42.33.145",
               "appLogsConfiguration": null,
               "zoneRedundant": true,
+              "availabilityZones": [
+                "1",
+                "2",
+                "3"
+              ],
               "vnetConfiguration": {
                 "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
               },
@@ -78,6 +83,11 @@
                 }
               },
               "zoneRedundant": true,
+              "availabilityZones": [
+                "1",
+                "2",
+                "3"
+              ],
               "vnetConfiguration": {
                 "infrastructureSubnetId": "/subscriptions/34adfa4f-cedf-4dc0-ba29-b6d1a69ab345/resourceGroups/RGName/providers/Microsoft.Network/virtualNetworks/VNetName/subnets/subnetName1"
               },
@@ -97,4 +107,3 @@
     }
   }
 }
-
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Patch.json b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Patch.json
index b607cc63070e..c503765b4945 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Patch.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2024-10-02-preview/examples/ManagedEnvironments_Patch.json
@@ -18,7 +18,7 @@
         "id": "/subscriptions/8efdecc5-919e-44eb-b179-915dca89ebf9/resourceGroups/examplerg/providers/Microsoft.App/managedEnvironments/jlaw-demo1",
         "name": "jlaw-demo1",
         "type": "Microsoft.App/managedEnvironments",
-        "location": "North Central US",
+        "location": "East US",
         "tags": {},
         "properties": {
           "provisioningState": "Succeeded",
@@ -26,6 +26,11 @@
           "defaultDomain": "jlaw-demo1.k4apps.io",
           "staticIp": "20.42.33.145",
           "zoneRedundant": true,
+          "availabilityZones": [
+            "1",
+            "2",
+            "3"
+          ],
           "customDomainConfiguration": {
             "customDomainVerificationId": "custom domain verification id",
             "dnsSuffix": "www.my-name.com",
@@ -70,4 +75,3 @@
     }
   }
 }
-