LVAudioVolume Class Reference Inherits from NSObject Declared in LVRTCEngineDefines.h Overview 用户音量信息 userId 用户标识 @property (nullable, nonatomic, copy) NSString *userId Declared In LVRTCEngineDefines.h volume 音量 @property (nonatomic, assign) int volume Declared In LVRTCEngineDefines.h