1# OH_AudioVolumeManager 2 3## Overview 4 5The struct describes an audio volume manager, which provides various functions for obtaining system volume information. 6 7**Since**: 20 8 9**Related module**: [OHAudio](capi-ohaudio.md) 10 11**Header file**: [native_audio_volume_manager.h](capi-native-audio-volume-manager-h.md) 12