Kusto Follower Arm C# code update

Author: hzargari-ms

data-explorer/follower.md

@@ -3,7 +3,7 @@ title: Use follower database feature to attach databases in Azure Data Explorer
 description: Learn about how to attach databases in Azure Data Explorer using the follower database feature.
 ms.reviewer: gabilehner
 ms.topic: how-to
-ms.date: 06/10/2025
+ms.date: 12/11/2025
 ms.custom:
   - devx-track-azurepowershell
   - sfi-image-nochange
@@ -99,43 +99,26 @@ You can optionally make the database name in the follower cluster different from
 ### C\# example
 
 ```csharp
-var tenantId = "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx"; //Directory (tenant) ID
-var clientId = "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx"; //Application ID
-var clientSecret = "PlaceholderClientSecret"; //Client Secret
-var followerSubscriptionId = "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx";
-var credentials = new ClientSecretCredential(tenantId, clientId, clientSecret);
-var resourceManagementClient = new ArmClient(credentials, followerSubscriptionId);
-var followerResourceGroupName = "followerResourceGroup";
-var followerClusterName = "follower";
-var subscription = await resourceManagementClient.GetDefaultSubscriptionAsync();
-var resourceGroup = (await subscription.GetResourceGroupAsync(followerResourceGroupName)).Value;
-var cluster = (await resourceGroup.GetKustoClusterAsync(followerClusterName)).Value;
-var attachedDatabaseConfigurations = cluster.GetKustoAttachedDatabaseConfigurations();
-var attachedDatabaseConfigurationName = "attachedDatabaseConfiguration"
-var leaderSubscriptionId = "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx";
-var leaderResourceGroup = "leaderResourceGroup";
-var leaderClusterName = "leader";
-var attachedDatabaseConfigurationData = new KustoAttachedDatabaseConfigurationData
-{
-    ClusterResourceId = new ResourceIdentifier($"/subscriptions/{leaderSubscriptionId}/resourceGroups/{leaderResourceGroup}/providers/Microsoft.Kusto/Clusters/{leaderClusterName}"),
-    DatabaseName = "<databaseName>", // Can be a specific database name in a leader cluster or * for all databases
-    DefaultPrincipalsModificationKind = KustoDatabaseDefaultPrincipalsModificationKind.Union,
-    Location = AzureLocation.NorthCentralUS
-};
-// Table level sharing properties are not supported when using '*' all databases notation.
-if (attachedDatabaseConfigurationData.DatabaseName != "*")
-{
-    // Set up the table level sharing properties - the following is just an example.
-    attachedDatabaseConfigurationData.TableLevelSharingProperties = new KustoDatabaseTableLevelSharingProperties();
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.TablesToInclude.Add("table1");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.TablesToExclude.Add("table2");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.ExternalTablesToExclude.Add("exTable1");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.ExternalTablesToInclude.Add("exTable2");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.MaterializedViewsToInclude.Add("matTable1");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.MaterializedViewsToExclude.Add("matTable2");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.FunctionsToInclude.Add("func1");
-    attachedDatabaseConfigurationData.TableLevelSharingProperties.FunctionsToExclude.Add("func2");
-}
+var followerClusterId = KustoClusterResource.CreateResourceIdentifier(subscriptionId: "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx", resourceGroupName: "followerResourceGroup", clusterName: "follower"); 
+var leaderClusterId = KustoClusterResource.CreateResourceIdentifier(subscriptionId: "xxxxxxxx-xxxxx-xxxx-xxxx-xxxxxxxxx", resourceGroupName: "leaderResourceGroup", clusterName: "leader"); 
+var attachedDatabaseConfigurationName = "attachedDatabaseConfiguration"; 
+var credentials = new ManagedIdentityCredential(); 
+var resourceManagementClient = new ArmClient(credentials); 
+var followerCluster = resourceManagementClient.GetKustoClusterResource(followerClusterId); 
+var attachedDatabaseConfigurations = followerCluster.GetKustoAttachedDatabaseConfigurations(); 
+var attachedDatabaseConfigurationData = new KustoAttachedDatabaseConfigurationData { ClusterResourceId = leaderClusterId, DatabaseName = "", // Can be a specific database name in a leader cluster or * for all databases 
+DefaultPrincipalsModificationKind = KustoDatabaseDefaultPrincipalsModificationKind.Union, Location = AzureLocation.NorthCentralUS }; // Table level sharing properties are not supported when using '*' all databases notation. 
+if (attachedDatabaseConfigurationData.DatabaseName != "*") 
+{ // Set up the table level sharing properties - the following is just an example. 
+attachedDatabaseConfigurationData.TableLevelSharingProperties = new KustoDatabaseTableLevelSharingProperties(); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.TablesToInclude.Add("table1"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.TablesToExclude.Add("table2"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.ExternalTablesToExclude.Add("exTable1"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.ExternalTablesToInclude.Add("exTable2"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.MaterializedViewsToInclude.Add("matTable1"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.MaterializedViewsToExclude.Add("matTable2"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.FunctionsToInclude.Add("func1"); 
+attachedDatabaseConfigurationData.TableLevelSharingProperties.FunctionsToExclude.Add("func2"); } 
 await attachedDatabaseConfigurations.CreateOrUpdateAsync(WaitUntil.Completed, attachedDatabaseConfigurationName, attachedDatabaseConfigurationData);
 ```