diff --git a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/preview/2016-05-01-preview/commitmentPlans.json b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/preview/2016-05-01-preview/commitmentPlans.json
index fa260850e575..3d7a5c26fe3a 100644
--- a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/preview/2016-05-01-preview/commitmentPlans.json
+++ b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/preview/2016-05-01-preview/commitmentPlans.json
@@ -449,7 +449,8 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/CatalogSku"
-          }
+          },
+          "x-ms-identifiers": []
         }
       }
     },
@@ -491,6 +492,9 @@
           "items": {
             "$ref": "#/definitions/SkuCapability"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The capability information for the specified SKU."
         },
         "costs": {
@@ -499,6 +503,7 @@
           "items": {
             "$ref": "#/definitions/SkuCost"
           },
+          "x-ms-identifiers": [],
           "description": "The cost information for the specified SKU."
         },
         "restrictions": {
@@ -507,6 +512,7 @@
           "items": {
             "$ref": "#/definitions/SkuRestrictions"
           },
+          "x-ms-identifiers": [],
           "description": "Restrictions which would prevent a SKU from being used. This is empty if there are no restrictions."
         }
       }
@@ -912,7 +918,8 @@
           "description": "The set of results for this page.",
           "items": {
             "$ref": "#/definitions/PlanUsageHistory"
-          }
+          },
+          "x-ms-identifiers": []
         }
       }
     },
@@ -985,7 +992,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/OperationEntity"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
diff --git a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2016-04-01/workspaces.json b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2016-04-01/workspaces.json
index e629175a459d..f1eee6d48767 100644
--- a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2016-04-01/workspaces.json
+++ b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2016-04-01/workspaces.json
@@ -625,6 +625,9 @@
           "items": {
             "$ref": "#/definitions/Operation"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "List of AML Studio operations supported by the AML Studio resource provider."
         }
       }
diff --git a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2017-01-01/webservices.json b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2017-01-01/webservices.json
index 26a02e11a29d..d932d28214d6 100644
--- a/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2017-01-01/webservices.json
+++ b/specification/machinelearning/resource-manager/Microsoft.MachineLearning/stable/2017-01-01/webservices.json
@@ -872,7 +872,8 @@
           "description": "If the data type is categorical, this provides the list of accepted categories.",
           "items": {
             "type": "object"
-          }
+          },
+          "x-ms-identifiers": []
         },
         "x-ms-isnullable": {
           "type": "boolean",
@@ -900,8 +901,10 @@
               "type": "array",
               "items": {
                 "type": "object"
-              }
-            }
+              },
+              "x-ms-identifiers": []
+            },
+            "x-ms-identifiers": []
           }
         },
         "globalParameters": {
@@ -967,7 +970,10 @@
           "description": "If the asset is a custom module, this holds the module's parameters.",
           "items": {
             "$ref": "#/definitions/ModuleAssetParameter"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       },
       "required": [
@@ -1027,7 +1033,10 @@
           "description": "The definition of the parameter.",
           "items": {
             "$ref": "#/definitions/ModuleAssetParameter"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
@@ -1083,7 +1092,13 @@
           "description": "The list of edges making up the graph.",
           "items": {
             "$ref": "#/definitions/GraphEdge"
-          }
+          },
+          "x-ms-identifiers": [
+            "sourceNodeId",
+            "sourcePortId",
+            "targetNodeId",
+            "targetPortId"
+          ]
         },
         "graphParameters": {
           "type": "object",
@@ -1176,7 +1191,11 @@
           "description": "Association links for this parameter to nodes in the graph.",
           "items": {
             "$ref": "#/definitions/GraphParameterLink"
-          }
+          },
+          "x-ms-identifiers": [
+            "nodeId",
+            "parameterKey"
+          ]
         }
       },
       "required": [
@@ -1294,7 +1313,10 @@
           "readOnly": true,
           "items": {
             "$ref": "#/definitions/AsyncOperationErrorInfo"
-          }
+          },
+          "x-ms-identifiers": [
+            "code"
+          ]
         }
       }
     },
@@ -1308,7 +1330,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/OperationEntity"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
diff --git a/specification/machinelearningcompute/resource-manager/Microsoft.MachineLearningCompute/preview/2017-08-01-preview/machineLearningCompute.json b/specification/machinelearningcompute/resource-manager/Microsoft.MachineLearningCompute/preview/2017-08-01-preview/machineLearningCompute.json
index ea9700f47d5d..bda780bbfc08 100644
--- a/specification/machinelearningcompute/resource-manager/Microsoft.MachineLearningCompute/preview/2017-08-01-preview/machineLearningCompute.json
+++ b/specification/machinelearningcompute/resource-manager/Microsoft.MachineLearningCompute/preview/2017-08-01-preview/machineLearningCompute.json
@@ -602,6 +602,9 @@
           "items": {
             "$ref": "#/definitions/ErrorResponseWrapper"
           },
+          "x-ms-identifiers": [
+            "/error/code"
+          ],
           "readOnly": true
         },
         "clusterType": {
@@ -701,7 +704,10 @@
           "description": "The system services deployed to the cluster",
           "items": {
             "$ref": "#/definitions/SystemService"
-          }
+          },
+          "x-ms-identifiers": [
+            "publicIpAddress"
+          ]
         },
         "masterCount": {
           "type": "integer",
@@ -1176,7 +1182,10 @@
           "description": "An array of error detail objects.",
           "items": {
             "$ref": "#/definitions/ErrorDetail"
-          }
+          },
+          "x-ms-identifiers": [
+            "code"
+          ]
         }
       },
       "required": [
@@ -1211,7 +1220,10 @@
           "description": "An array of available operations.",
           "items": {
             "$ref": "#/definitions/ResourceOperation"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
diff --git a/specification/machinelearningexperimentation/resource-manager/Microsoft.MachineLearningExperimentation/preview/2017-05-01-preview/machineLearningExperimentation.json b/specification/machinelearningexperimentation/resource-manager/Microsoft.MachineLearningExperimentation/preview/2017-05-01-preview/machineLearningExperimentation.json
index 515f7cfbeb23..c7de52fb71f3 100644
--- a/specification/machinelearningexperimentation/resource-manager/Microsoft.MachineLearningExperimentation/preview/2017-05-01-preview/machineLearningExperimentation.json
+++ b/specification/machinelearningexperimentation/resource-manager/Microsoft.MachineLearningExperimentation/preview/2017-05-01-preview/machineLearningExperimentation.json
@@ -1280,6 +1280,9 @@
           "items": {
             "$ref": "#/definitions/Operation"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "List of AML team account operations supported by the AML team account resource provider."
         }
       }
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
index 85c1831db462..fcd5e6f29279 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
@@ -1985,6 +1985,9 @@
           "items": {
             "$ref": "#/definitions/Operation"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "List of AML workspace operations supported by the AML workspace resource provider."
         }
       }
@@ -2131,6 +2134,9 @@
           "items": {
             "$ref": "#/definitions/PrivateEndpointConnection"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of private endpoint connections in the workspace."
         },
         "sharedPrivateLinkResources": {
@@ -2138,6 +2144,9 @@
           "items": {
             "$ref": "#/definitions/SharedPrivateLinkResource"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of shared private link resources in this workspace."
         },
         "notebookInfo": {
@@ -2423,6 +2432,7 @@
           "items": {
             "$ref": "#/definitions/EstimatedVMPrice"
           },
+          "x-ms-identifiers": [],
           "title": "List of estimated VM prices.",
           "description": "The list of estimated prices for using a VM of a particular OS type, tier, etc."
         }
@@ -2485,6 +2495,9 @@
           "items": {
             "$ref": "#/definitions/VirtualMachineSize"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "The list of virtual machine sizes supported by AmlCompute."
         }
       },
@@ -2670,55 +2683,82 @@
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "networkSecurityRuleResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "resourceLockResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "dnsResolutionResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "storageAccountResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "keyVaultResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "containerRegistryResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "applicationInsightsResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             },
             "otherResults": {
               "type": "array",
               "items": {
                 "$ref": "#/definitions/DiagnoseResult"
-              }
+              },
+              "x-ms-identifiers": [
+                "message"
+              ]
             }
           }
         }
@@ -3027,7 +3067,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/Password"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         }
       }
     },
@@ -3161,6 +3204,9 @@
           "items": {
             "$ref": "../../../../../common-types/resource-management/v2/types.json#/definitions/ErrorResponse"
           },
+          "x-ms-identifiers": [
+            "/error/code"
+          ],
           "readOnly": true
         },
         "isAttachedCompute": {
@@ -3200,6 +3246,9 @@
                   "items": {
                     "$ref": "#/definitions/SystemService"
                   },
+                  "x-ms-identifiers": [
+                    "publicIpAddress"
+                  ],
                   "readOnly": true
                 },
                 "agentCount": {
@@ -3422,7 +3471,10 @@
           "type": "array",
           "items": {
             "$ref": "../../../../../common-types/resource-management/v2/types.json#/definitions/ErrorResponse"
-          }
+          },
+          "x-ms-identifiers": [
+            "/error/code"
+          ]
         },
         "currentNodeCount": {
           "type": "integer",
@@ -3513,7 +3565,10 @@
           "description": "Describes available applications and their endpoints on this ComputeInstance.",
           "items": {
             "$ref": "#/definitions/ComputeInstanceApplication"
-          }
+          },
+          "x-ms-identifiers": [
+            "displayName"
+          ]
         },
         "createdBy": {
           "readOnly": true,
@@ -3527,7 +3582,10 @@
           "type": "array",
           "items": {
             "$ref": "../../../../../common-types/resource-management/v2/types.json#/definitions/ErrorResponse"
-          }
+          },
+          "x-ms-identifiers": [
+            "/error/code"
+          ]
         },
         "state": {
           "description": "The current state of this ComputeInstance.",
@@ -4025,6 +4083,9 @@
           "items": {
             "$ref": "#/definitions/AmlComputeNodeInformation"
           },
+          "x-ms-identifiers": [
+            "nodeId"
+          ],
           "description": "The collection of returned AmlCompute nodes details."
         },
         "nextLink": {
@@ -5036,7 +5097,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/FQDNEndpointDetail"
-          }
+          },
+          "x-ms-identifiers": [
+            "port"
+          ]
         }
       }
     },
@@ -5050,7 +5114,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/FQDNEndpoint"
-          }
+          },
+          "x-ms-identifiers": [
+            "domainName"
+          ]
         }
       }
     },
@@ -5069,7 +5136,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/FQDNEndpoints"
-          }
+          },
+          "x-ms-identifiers": [
+            "/properties/category"
+          ]
         }
       }
     }
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/workspaceSkus.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/workspaceSkus.json
index 0355e1e3a729..2305934fbb85 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/workspaceSkus.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/workspaceSkus.json
@@ -65,7 +65,10 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/WorkspaceSku"
-          }
+          },
+          "x-ms-identifiers": [
+            "name"
+          ]
         },
         "nextLink": {
           "type": "string",
@@ -139,6 +142,7 @@
           "items": {
             "$ref": "#/definitions/ResourceSkuZoneDetails"
           },
+          "x-ms-identifiers": [],
           "description": "Details of capabilities available to a SKU in specific zones."
         }
       }
@@ -159,6 +163,9 @@
           "items": {
             "$ref": "#/definitions/SKUCapability"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "description": "A list of capabilities that are available for the SKU in the specified list of zones."
         }
       },
@@ -182,6 +189,9 @@
           "items": {
             "$ref": "#/definitions/ResourceSkuLocationInfo"
           },
+          "x-ms-identifiers": [
+            "location"
+          ],
           "description": "A list of locations and availability zones in those locations where the SKU is available."
         },
         "tier": {
@@ -204,6 +214,9 @@
           "items": {
             "$ref": "#/definitions/SKUCapability"
           },
+          "x-ms-identifiers": [
+            "name"
+          ],
           "readOnly": true
         },
         "restrictions": {
@@ -211,6 +224,7 @@
           "items": {
             "$ref": "#/definitions/Restriction"
           },
+          "x-ms-identifiers": [],
           "description": "The restrictions because of which SKU cannot be used. This is empty if there are no restrictions."
         }
       }