{
  "parameters": {
    "api-version": "2026-06-01",
    "billingAccountId": "100",
    "ruleName": "testRule"
  },
  "responses": {
    "200": {
      "body": {
        "name": "testRule",
        "type": "Microsoft.CostManagement/costAllocationRules",
        "id": "/providers/Microsoft.Billing/billingAccounts/100/providers/Microsoft.CostManagement/costAllocationRules/testRule",
        "properties": {
          "description": "This is a testRule",
          "createdDate": "2020-06-18T22:21:51.1287144Z",
          "status": "NotActive",
          "updatedDate": "2020-06-18T22:21:51.1287144Z",
          "details": {
            "sourceResources": [
              {
                "name": "ResourceGroupName",
                "resourceType": "Dimension",
                "values": [
                  "sampleRG"
                ]
              }
            ],
            "targetResources": [
              {
                "name": "ResourceGroupName",
                "policyType": "FixedProportion",
                "resourceType": "Dimension",
                "values": [
                  {
                    "name": "destinationRG",
                    "percentage": 50
                  },
                  {
                    "name": "destinationRG2",
                    "percentage": 50
                  }
                ]
              }
            ]
          }
        }
      }
    }
  },
  "operationId": "CostAllocationRules_Get",
  "title": "CostAllocationRules"
}