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。

# 設置 TransactionAttributes
<a name="set-trans-attributes"></a>

下列範例示範如何`TransactionAttributes`同時設定 [PlayAudio](play-audio.md)動作，並將屬性從 AWS Lambda 函數傳遞至 SIP 媒體應用程式。

```
{
    "SchemaVersion": "1.0",
    "Actions": [
        {
            "Type": "PlayAudio",
            "Parameters": {
                "ParticipantTag": "{{LEG-A}}",
                "AudioSource": {
                    "Type": "S3",
                    "BucketName": "{{mtg1-sipmedia-app-iad}}",
                    "Key": "{{Welcome3.wav}}"
                }
            }
        }
    ],
    "TransactionAttributes": {
        "{{key1}}": "{{value1}}",
        "{{key2}}": "{{value2}}"
    }
}
```