# 创建媒资\&音频提取消息体
#### 创建媒资消息体参考
```
{
"event_type": "createComplete",
"create_info": {
"status": "SUCCEED",
"title": "假视频",
"url": "https://1111116.cdn-vod.huaweicloud.com/asset/81b89afdb5e6c94c68e5028b2747b1f0/3729f0177453c9525b5196d6400f1bb6.flv",
"asset_id": "81b89afdb5e6c94c68e5028b2747b1f0",
                "user_name":"tmp",
"meta_data": {
"play_type": 0,
"pack_type": "FLV",
"codec": "UNKNOWN",
"duration": 0,
"video_size": 0,
"width": 0,
"hight": 0,
"bit_rate": 0,
"frame_rate": 0
}
}
}
```
#### 音频提取消息体参考
```
{
"event_type": "audioExtractComplete",
"audio_extract_info": {
"status": "SUCCEED",
"title": "1080p16m",
"url": "https://1111116.cdn-vod.huaweicloud.com/asset/d98b70ff435cf417a0a450052be80109/e8f3fd5c82bdb979188ab1a2cb66c08b.mp3",
"asset_id": "d98b70ff435cf417a0a450052be80109",
"meta_data": {
"play_type": 0,
"pack_type": "MP3",
"codec": "UNKNOWN",
"duration": 60,
"video_size": 0,
"width": 0,
"hight": 0,
"bit_rate": 128,
"frame_rate": 0
}
}
}
```
#### 消息体说明
表1AssetInfo结构定义 
| 参数         | 说明                                                                                                                                                                                                                                   |
|:---|:---|
| asset_id   | 创建的新媒资ID                                                                                                                                                                                                                             |
| status     | 事件状态。 - SUCCEED：创建媒资成功、音频提取成功  - FAILED：创建媒资失败、音频提取失败   |
| title      | 新媒资名称，状态为成功时才有此值。                                                                                                                                                                                                                    |
| url        | 新媒资的访问url，状态为成功时才有此值。                                                                                                                                                                                                                |
| meta_data  | 新媒资元数据，状态为成功时才有此值。                                                                                                                                                                                                                   |
| error_code | 错误码。状态为失败时才有此值。                                                                                                                                                                                                                      |
| error_msg  | 错误描述。状态为失败时才有此值。                                                                                                                                                                                                                     |