diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterCreate.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterCreate.json
index 294b2f066b0c..f07c6deb8003 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterCreate.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterCreate.json
@@ -9,9 +9,10 @@
       "tags": {},
       "properties": {
         "subnetId": "/subscriptions/536e130b-d7d6-4ac7-98a5-de20d69588d2/resourceGroups/customer-vnet-rg/providers/Microsoft.Network/virtualNetworks/customer-vnet/subnets/management",
-        "nodeCount": 4,
+        "shardCount": 4,
         "nodeSku": "Standard_DS13_v2",
-        "replicationFactor": 2
+        "replicationFactor": 2,
+        "authenticationMethod": "Entra"
       }
     }
   },
diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterPatch.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterPatch.json
index 060d9f262d7f..e8bad319dcd2 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterPatch.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/examples/CosmosDBGarnetClusterPatch.json
@@ -6,7 +6,8 @@
     "clusterName": "garnet-prod",
     "body": {
       "properties": {
-        "clusterType": "Production"
+        "clusterType": "Production",
+        "authenticationMethod": "Entra"
       }
     }
   },
diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/garnetCache.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/garnetCache.json
index 0348b030e2d7..a92cda47b9cf 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/garnetCache.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/DocumentDB/preview/2025-11-01-preview/garnetCache.json
@@ -400,10 +400,10 @@
               "format": "int32",
               "description": "Number of copies of data maintained by the cluster"
             },
-            "nodeCount": {
+            "shardCount": {
               "type": "integer",
               "format": "int32",
-              "description": "Number of nodes"
+              "description": "Number of shards in the cluster"
             },
             "nodeSku": {
               "type": "string",
@@ -413,6 +413,10 @@
               "type": "boolean",
               "description": "If the data center has Availability Zone support, apply it to the Virtual Machine ScaleSet that host the garnet cluster virtual machines."
             },
+            "authenticationMethod": {
+              "type": "string",
+              "description": "The authentication method used for the Garnet cluster."
+            },
             "allocationState": {
               "type": "string",
               "description": "Allocation state of the cluster and data center resources. Active implies the virtual machines of the cluster are allocated, deallocated implies virtual machines and resources are deallocated.",
@@ -472,6 +476,17 @@
                 "modelAsString": true
               }
             },
+            "authenticationMethod": {
+              "type": "string",
+              "description": "The authentication method used for the Garnet cluster.",
+              "enum": [
+                "Entra"
+              ],
+              "x-ms-enum": {
+                "name": "GarnetAuthenticationType",
+                "modelAsString": true
+              }
+            },
             "extensions": {
               "type": "array",
               "description": "Extensions to be added or updated on cluster.",