Add Actual Cost and Forecasted Budget payloads

Author: jacegummersall

articles/azure-monitor/alerts/alerts-non-common-schema-definitions.md

@@ -390,3 +390,30 @@ The non-common alert schema lets you customize the consumption experience for al
 	}
 }
 ```
+#### `monitoringService` = `Actual Cost Budget` or `Forecasted Budget`
+
+**Sample values**
+```json
+{
+  "schemaId": "AIP Budget Notification",
+  "data": {
+    "SubscriptionName": "test-subscription",
+    "SubscriptionId": "11111111-1111-1111-1111-111111111111",
+    "EnrollmentNumber": "",
+    "DepartmentName": "test-budgetDepartmentName",
+    "AccountName": "test-budgetAccountName",
+    "BillingAccountId": "",
+    "BillingProfileId": "",
+    "InvoiceSectionId": "",
+    "ResourceGroup": "test-RG",
+    "SpendingAmount": "1111.32",
+    "BudgetStartDate": "2023-01-20T23:49:40.216Z",
+    "Budget": "10000",
+    "Unit": "USD",
+    "BudgetCreator": "[email protected]",
+    "BudgetName": "test-budgetName",
+    "BudgetType": "Cost",
+    "NotificationThresholdAmount": "8000.0"
+  }
+}
+```