diff --git a/src/MachineLearningServices/MachineLearningServices.Autorest/README.md b/src/MachineLearningServices/MachineLearningServices.Autorest/README.md
index 8dc0274f9982..3f7227146729 100644
--- a/src/MachineLearningServices/MachineLearningServices.Autorest/README.md
+++ b/src/MachineLearningServices/MachineLearningServices.Autorest/README.md
@@ -50,6 +50,9 @@ use-extension:
 
 directive:
   # Fix URL type in autorest v3
+  - from: swagger-document
+    where: $.definitions.KubernetesProperties.properties.serviceBusConnectionString
+    transform: $["format"] = "password"
   - from: swagger-document
     where: $.definitions.WorkspaceConnectionOAuth2.properties.authUrl
     transform: >-
diff --git a/src/MachineLearningServices/MachineLearningServices.Autorest/custom/New-AzMLWorkspaceKubernetesObject.ps1 b/src/MachineLearningServices/MachineLearningServices.Autorest/custom/New-AzMLWorkspaceKubernetesObject.ps1
index eca130ef27b8..f3441dfe33f7 100644
--- a/src/MachineLearningServices/MachineLearningServices.Autorest/custom/New-AzMLWorkspaceKubernetesObject.ps1
+++ b/src/MachineLearningServices/MachineLearningServices.Autorest/custom/New-AzMLWorkspaceKubernetesObject.ps1
@@ -67,7 +67,7 @@ function New-AzMLWorkspaceKubernetesObject {
         [string]
         $RelayConnectionString,
         [Parameter(HelpMessage="ServiceBus connection string.")]
-        [string]
+        [System.Security.SecureString]
         $ServiceBusConnectionString,
         [Parameter(HelpMessage="VC name.")]
         [string]
diff --git a/src/MachineLearningServices/MachineLearningServices.Autorest/docs/New-AzMLWorkspaceKubernetesObject.md b/src/MachineLearningServices/MachineLearningServices.Autorest/docs/New-AzMLWorkspaceKubernetesObject.md
index c8fb0c48e82b..f9046aa130cd 100644
--- a/src/MachineLearningServices/MachineLearningServices.Autorest/docs/New-AzMLWorkspaceKubernetesObject.md
+++ b/src/MachineLearningServices/MachineLearningServices.Autorest/docs/New-AzMLWorkspaceKubernetesObject.md
@@ -17,7 +17,7 @@ New-AzMLWorkspaceKubernetesObject [-DefaultInstanceType <String>] [-Description
  [-DisableLocalAuth <Boolean>] [-ExtensionInstanceReleaseTrain <String>] [-ExtensionPrincipalId <String>]
  [-InstanceLimit <Hashtable>] [-InstanceNodeSelector <Hashtable>] [-InstanceRequest <Hashtable>]
  [-Namespace <String>] [-RelayConnectionString <String>] [-ResourceId <String>]
- [-ServiceBusConnectionString <String>] [-VcName <String>] [<CommonParameters>]
+ [-ServiceBusConnectionString <SecureString>] [-VcName <String>] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -203,7 +203,7 @@ Accept wildcard characters: False
 ServiceBus connection string.
 
 ```yaml
-Type: System.String
+Type: System.Security.SecureString
 Parameter Sets: (All)
 Aliases: