{
  "operationId": "updateVcn",
  "method": "PUT",
  "path": "/vcns/{vcnId}",
  "summary": "Oracle Cloud Update VCN",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "UpdateVcnRequestExample",
      "example": {
        "displayName": "my-resource",
        "freeformTags": {
          "key1": "value1"
        }
      }
    }
  ],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "name": "UpdateVcn200Example",
      "example": {
        "id": "ocid1.vcn.oc1.iad.abcdefg123456",
        "compartmentId": "ocid1.resource.oc1.iad.abcdefg123456",
        "displayName": "my-vcn",
        "cidrBlock": "10.0.0.0/16",
        "cidrBlocks": [
          "10.0.0.0/16"
        ],
        "defaultDhcpOptionsId": "ocid1.resource.oc1.iad.abcdefg123456",
        "defaultRouteTableId": "ocid1.resource.oc1.iad.abcdefg123456",
        "defaultSecurityListId": "ocid1.resource.oc1.iad.abcdefg123456",
        "dnsLabel": "myvcn",
        "lifecycleState": "PROVISIONING",
        "timeCreated": "2026-04-18T10:30:00Z",
        "freeformTags": {
          "key1": "value1"
        }
      }
    }
  ]
}