本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# UpdateAlias
<a name="ct-updatealias"></a>

下列範例顯示 [UpdateAlias](https://docs.aws.amazon.com/kms/latest/APIReference/API_UpdateAlias.html) 操作的 AWS CloudTrail 日誌項目。`resources` 元素包含別名和 KMS 金鑰資源的欄位。如需在 中建立別名的詳細資訊 AWS KMS，請參閱 [建立別名](alias-create.md)。

在 2022 年 12 月或之後記錄的此操作的 CloudTrail 日誌項目會在 `responseElements.keyId` 值中包含受影響 KMS 金鑰的金鑰 ARN，即使此操作不會傳回金鑰 ARN。

```
{
    "eventVersion": "1.05",
    "userIdentity": {
        "type": "IAMUser",
         "principalId": "EX_PRINCIPAL_ID",
         "arn": "arn:aws:iam::111122223333:user/Alice",
         "accountId": "111122223333",
         "accessKeyId": "EXAMPLE_KEY_ID",
         "userName": "Alice"
    },
    "eventTime": "2020-11-13T23:18:15Z",
    "eventSource": "kms.amazonaws.com",
    "eventName": "UpdateAlias",
    "awsRegion": "us-west-2",
    "sourceIPAddress": "192.0.2.0",
    "userAgent": "AWS Internal",
    "requestParameters": {
        "aliasName": "alias/my_alias",
        "targetKeyId": "1234abcd-12ab-34cd-56ef-1234567890ab"
    },
    "responseElements": {
        "keyId":"arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
    },
    "requestID": "d9472f40-63bc-11e4-bc2b-4198b6150d5c",
    "eventID": "f72d3993-864f-48d6-8f16-e26e1ae8dff0",
    "readOnly": false,
    "resources": [
        {
            "accountId": "111122223333",
            "type": "AWS::KMS::Key",
            "ARN": "arn:aws:kms:us-west-2:111122223333:alias/my_alias"
        },
        {
            "accountId": "111122223333",
            "type": "AWS::KMS::Key",
            "ARN": "arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
        }
    ],
    "eventType": "AwsApiCall",
    "recipientAccountId": "111122223333"
}
```