# id property Null safety

int? id
read / write

【字段含义】音乐 ID 【特殊说明】SDK 允许播放多路音乐，因此需要音乐 ID 进行标记，用于控制音乐的开始、停止、音量等

## Implementation

    int? id;

1. tencent_trtc_cloud_beauty
2. trtc_cloud_def
3. AudioMusicParam
4. id property

##### AudioMusicParam class

1. Constructors
2. AudioMusicParam
3. Properties
4. endTimeMS
5. hashCode
6. id
7. isShortFile
8. loopCount
9. path
10. publish
11. runtimeType
12. startTimeMS
13. Methods
14. noSuchMethod
15. toJson
16. toString
17. Operators
18. operator ==