diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2022-10-01/machineLearningServices.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2022-10-01/machineLearningServices.json
index 993a56ad54fc..5b333e7022a7 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2022-10-01/machineLearningServices.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2022-10-01/machineLearningServices.json
@@ -3669,8 +3669,7 @@
         "schedules": {
           "description": "The list of schedules to be applied on the computes.",
           "$ref": "#/definitions/ComputeSchedules",
-          "x-nullable": true,
-          "readOnly": true
+          "x-nullable": true
         },
         "enableNodePublicIp": {
           "type": "boolean",
@@ -4891,11 +4890,11 @@
         },
         "recurrence": {
           "description": "Required if triggerType is Recurrence.",
-          "$ref": "./mfe.json#/definitions/RecurrenceTrigger"
+          "$ref": "#/definitions/Recurrence"
         },
         "cron": {
           "description": "Required if triggerType is Cron.",
-          "$ref": "./mfe.json#/definitions/CronTrigger"
+          "$ref": "#/definitions/Cron"
         },
         "schedule": {
           "description": "[Deprecated] Not used any more.",
@@ -4978,6 +4977,55 @@
         "modelAsString": true
       }
     },
+    "Recurrence": {
+      "type": "object",
+      "description": "The workflow trigger recurrence for ComputeStartStop schedule type.",
+      "properties": {
+        "frequency": {
+          "description": "[Required] The frequency to trigger schedule.",
+          "$ref": "./mfe.json#/definitions/RecurrenceFrequency"
+        },
+        "interval": {
+          "description": "[Required] Specifies schedule interval in conjunction with frequency",
+          "type": "integer",
+          "format": "int32"
+        },
+        "startTime": {
+          "description": "The start time in yyyy-MM-ddTHH:mm:ss format.",
+          "type": "string",
+          "x-nullable": true
+        },
+        "timeZone": {
+          "description": "Specifies time zone in which the schedule runs.\r\nTimeZone should follow Windows time zone format. Refer: https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/default-time-zones?view=windows-11",
+          "default": "UTC",
+          "type": "string"
+        },
+        "schedule": {
+          "description": "[Required] The recurrence schedule.",
+          "$ref": "./mfe.json#/definitions/RecurrenceSchedule"
+        }
+      }
+    },
+    "Cron": {
+      "type": "object",
+      "description": "The workflow trigger cron for ComputeStartStop schedule type.",
+      "properties": {
+        "startTime": {
+          "description": "The start time in yyyy-MM-ddTHH:mm:ss format.",
+          "type": "string",
+          "x-nullable": true
+        },
+        "timeZone": {
+          "description": "Specifies time zone in which the schedule runs.\r\nTimeZone should follow Windows time zone format. Refer: https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/default-time-zones?view=windows-11",
+          "type": "string",
+          "default": "UTC"
+        },
+        "expression": {
+          "description": "[Required] Specifies cron expression of schedule.\r\nThe expression should follow NCronTab format.",
+          "type": "string"
+        }
+      }
+    },
     "ComputeInstanceDataMount": {
       "type": "object",
       "description": "Defines an Aml Instance DataMount.",