diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/costmanagement.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/costmanagement.json
index 93c69f44d141..09464516c550 100644
--- a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/costmanagement.json
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/costmanagement.json
@@ -122,7 +122,13 @@
           },
           "CustomerDimensionsListWithFilter-Modern": {
             "$ref": "./examples/MCACustomerDimensionsListWithFilter.json"
-          }
+          },
+		  "ExternalBillingAccountDimensionList": {
+		  "$ref": "./examples/ExternalBillingAccountsDimensions.json"
+		  },
+		  "ExternalSubscriptionDimensionList": {
+		  "$ref": "./examples/ExternalSubscriptionsDimensions.json"
+		  }
         },
         "parameters": [
           {
@@ -251,7 +257,13 @@
           },
           "CustomerQueryGrouping-Modern": {
             "$ref": "./examples/MCACustomerQueryGrouping.json"
-          }
+          },
+		  "ExternalBillingAccountQueryList": {
+		  "$ref": "./examples/ExternalBillingAccountsQuery.json"
+		  },
+		  "ExternalSubscriptionsQuery": {
+		  "$ref": "./examples/ExternalSubscriptionsQuery.json"
+		  }
         },
         "parameters": [
           {
@@ -1428,7 +1440,7 @@
       "in": "path",
       "required": true,
       "type": "string",
-      "description": "The scope associated with dimension operations. This includes '/subscriptions/{subscriptionId}/' for subscription scope, '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for EnrollmentAccount scope, '/providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management Group scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for billingProfile scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}/invoiceSections/{invoiceSectionId}' for invoiceSection scope, and 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/customers/{customerId}' specific for partners.",
+      "description": "The scope associated with dimension operations. This includes '/subscriptions/{subscriptionId}/' for subscription scope, '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for EnrollmentAccount scope, '/providers/Microsoft.Management/managementGroups/{managementGroupId}' for Management Group scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for billingProfile scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}/invoiceSections/{invoiceSectionId}' for invoiceSection scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/customers/{customerId}' specific for partners, 'providers/Microsoft.CostManagement/ExternalSubscriptions/{externalSubscriptionId}' for linked account and 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountId}' for consolidated account",
       "x-ms-parameter-location": "method",
       "x-ms-skip-url-encoding": true
     },
@@ -1437,7 +1449,7 @@
       "in": "path",
       "required": true,
       "type": "string",
-      "description": "The scope associated with query and export operations. This includes '/subscriptions/{subscriptionId}/' for subscription scope, '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope and '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for EnrollmentAccount scope, '/providers/Microsoft.Management/managementGroups/{managementGroupId} for Management Group scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for billingProfile scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}/invoiceSections/{invoiceSectionId}' for invoiceSection scope, and 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/customers/{customerId}' specific for partners.",
+      "description": "The scope associated with query and export operations. This includes '/subscriptions/{subscriptionId}/' for subscription scope, '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for resourceGroup scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}' for Billing Account scope and '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/departments/{departmentId}' for Department scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/enrollmentAccounts/{enrollmentAccountId}' for EnrollmentAccount scope, '/providers/Microsoft.Management/managementGroups/{managementGroupId} for Management Group scope, '/providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}' for billingProfile scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/billingProfiles/{billingProfileId}/invoiceSections/{invoiceSectionId}' for invoiceSection scope, 'providers/Microsoft.Billing/billingAccounts/{billingAccountId}/customers/{customerId}' specific for partners, 'providers/Microsoft.CostManagement/ExternalSubscriptions/{externalSubscriptionId}' for linked account and 'providers/Microsoft.CostManagement/externalBillingAccounts/{externalBillingAccountId}' for consolidated account",
       "x-ms-parameter-location": "method",
       "x-ms-skip-url-encoding": true
     },
@@ -1446,7 +1458,7 @@
       "in": "query",
       "required": true,
       "type": "string",
-      "description": "Version of the API to be used with the client request. The current version is 2018-05-31."
+      "description": "Version of the API to be used with the client request. The current version is 2019-10-01."
     },
     "subscriptionIdParameter": {
       "name": "subscriptionId",
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsDimensions.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsDimensions.json
new file mode 100644
index 000000000000..272f944d0a62
--- /dev/null
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsDimensions.json
@@ -0,0 +1,43 @@
+{
+  "parameters": {
+    "api-version": "2019-10-01",
+    "externalBillingAccountId": "100",
+    "scope": "providers/Microsoft.CostManagement/externalBillingAccounts/100"
+  },    
+  "responses": {
+      "200": {
+      "body": {
+		"value": [{
+				"id": "providers/Microsoft.CostManagement/externalBillingAccounts/100/dimensions_ResourceType_2019-12-01_2019-12-31",
+				"name": "dimensions_ResourceType_2019-12-01_2019-12-31",
+				"type": "microsoft.consumption/dimensions",
+				"properties": {
+					"data": [],
+					"total": 0,
+					"category": "ResourceType",
+					"description": "Resource type",
+					"usageStart": "2019-12-01T00:00:00Z",
+					"usageEnd": "2019-12-31T00:00:00Z",
+					"filterEnabled": true,
+					"groupingEnabled": true
+				}
+			}, 
+			{
+				"id": "providers/Microsoft.CostManagement/externalBillingAccounts/100/dimensions_ResourceId_2019-12-01_2019-12-31",
+				"name": "dimensions_ResourceId_2019-12-01_2019-12-31",
+				"type": "microsoft.consumption/dimensions",
+				"properties": {
+					"data": [],
+					"total": 0,
+					"category": "ResourceId",
+					"description": "Resource ID",
+					"usageStart": "2019-12-01T00:00:00Z",
+					"usageEnd": "2019-12-31T00:00:00Z",
+					"filterEnabled": true,
+					"groupingEnabled": true
+					}
+				}]
+			}
+		}
+	}
+}
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsQuery.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsQuery.json
new file mode 100644
index 000000000000..634b5e15f5a1
--- /dev/null
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalBillingAccountsQuery.json
@@ -0,0 +1,79 @@
+{
+  "parameters": {
+    "api-version": "2019-10-01",
+    "externalBillingAccountId": "100",
+    "scope": "providers/Microsoft.CostManagement/externalBillingAccounts/100",
+	"parameters": {
+		"type": "Usage",
+		"timeframe": "MonthToDate",
+		 "dataset": {
+			"granularity": "Daily",
+			"filter": {
+			  "and": [
+				{
+				  "or": [
+					{
+					  "dimension": {
+						"name": "ResourceLocation",
+						"operator": "In",
+						"values": [
+						  "East US",
+						  "West Europe"
+						]
+					  }
+					},
+					{
+					  "tag": {
+						"name": "Environment",
+						"operator": "In",
+						"values": [
+						  "UAT",
+						  "Prod"
+						]
+					  }
+					}
+				  ]
+				},
+				{
+				  "dimension": {
+					"name": "ResourceGroup",
+					"operator": "In",
+					"values": [
+					  "API"
+					]
+				  }
+				}
+			  ]
+			}
+		}
+    }
+  },
+  "responses": {
+	"200": {
+		"body": {
+					"id": "providers/Microsoft.CostManagement/externalBillingAccounts/100/query/6dc7b06a-d90a-4df5-b655-ce6cf1c0814d",
+					"name": "6dc7b06a-d90a-4df5-b655-ce6cf1c0814d",
+					"type": "Microsoft.CostManagement/query",
+					"properties": {
+						"nextLink": null,
+						"columns": [{
+								"name": "PreTaxCost",
+								"type": "Number"
+							}, {
+								"name": "ServiceName",
+								"type": "String"
+							}, {
+								"name": "Currency",
+								"type": "String"
+							}
+						],
+					"rows": [
+					[0.0, "abc db", "USD"], 
+					[30.2572751438, "abc compute cloud", "USD"], 
+					[0.076757602000000022, "abc file system", "USD"], 		
+					[50.430964190400012, "abc elasticache", "USD"]
+					]}
+				}
+			}
+		}
+	}
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsDimensions.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsDimensions.json
new file mode 100644
index 000000000000..44a1f404f772
--- /dev/null
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsDimensions.json
@@ -0,0 +1,44 @@
+{
+  "parameters": {
+    "api-version": "2019-10-01",
+    "externalSubscriptionId": "100",
+    "scope": "providers/Microsoft.CostManagement/externalSubscriptions/123"
+  },
+  "responses": {
+	"200": {
+		"body": {
+			"value": [
+				{
+				"id": "providers/Microsoft.CostManagement/externalSubscriptions/123/dimensions_ResourceType_2019-12-01_2019-12-31",
+				"name": "dimensions_ResourceType_2019-12-01_2019-12-31",
+				"type": "microsoft.consumption/dimensions",
+				"properties": {
+					"data": [],
+					"total": 0,
+					"category": "ResourceType",
+					"description": "Resource type",
+					"usageStart": "2019-12-01T00:00:00Z",
+					"usageEnd": "2019-12-31T00:00:00Z",
+					"filterEnabled": true,
+					"groupingEnabled": true
+					}
+				}, 
+				{
+					"id": "providers/Microsoft.CostManagement/externalSubscriptions/123/dimensions_ResourceId_2019-12-01_2019-12-31",
+					"name": "dimensions_ResourceId_2019-12-01_2019-12-31",
+					"type": "microsoft.consumption/dimensions",
+					"properties": {
+						"data": [],
+						"total": 0,
+						"category": "ResourceId",
+						"description": "Resource ID",
+						"usageStart": "2019-12-01T00:00:00Z",
+						"usageEnd": "2019-12-31T00:00:00Z",
+						"filterEnabled": true,
+						"groupingEnabled": true
+					}
+				}]
+			}
+		}
+	}
+}
diff --git a/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsQuery.json b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsQuery.json
new file mode 100644
index 000000000000..707c2a0294f9
--- /dev/null
+++ b/specification/cost-management/resource-manager/Microsoft.CostManagement/stable/2019-10-01/examples/ExternalSubscriptionsQuery.json
@@ -0,0 +1,75 @@
+{
+  "parameters": {
+    "api-version": "2019-10-01",
+    "externalSubscriptionId": "123",
+    "scope": "providers/Microsoft.CostManagement/externalSubscriptions/123",
+	"parameters":{
+		"type": "Usage",
+		"timeframe": "MonthToDate",
+		"dataset": {
+			"granularity": "Daily",
+			"filter" : {
+			"and": [
+				{
+				  "or": [
+					{
+					  "dimension": {
+						"name": "ResourceLocation",
+						"operator": "In",
+						"values": [
+						  "East US",
+						  "West Europe"
+						]
+					  }
+					},
+					{
+					  "tag": {
+						"name": "Environment",
+						"operator": "In",
+						"values": [
+						  "UAT",
+						  "Prod"
+						]
+					  }
+					}
+				  ]
+				},
+				{
+				  "dimension": {
+					"name": "ResourceGroup",
+					"operator": "In",
+					"values": [
+					  "API"
+					]
+				  }
+				}
+			  ]
+			}
+		}
+	}
+  },
+  "responses": {
+  	"200": {
+		"body": {
+			"id": "providers/Microsoft.CostManagement/externalSubscriptions/123/query/d99477af-7510-40ee-aca2-e59bdca0d10d",
+			"name": "d99477af-7510-40ee-aca2-e59bdca0d10d",
+			"type": "Microsoft.CostManagement/query",
+			"properties": {
+				"nextLink": null,
+				"columns": [{
+						"name": "PreTaxCost",
+						"type": "Number"
+					}, {
+						"name": "UsageDate",
+						"type": "Number"
+					}, {
+						"name": "Currency",
+						"type": "String"
+					}
+				],
+				"rows": []
+				}
+			}
+		}
+	}
+}