1# OH_LowPowerAudioSinkCallback 2 3## Overview 4 5The struct contains a set of callback function pointers for the LowPowerAudioSink. 6 7To ensure the normal running of the LowPowerAudioSink, you must register the instance of this struct with the [OH_LowPowerAudioSink](capi-lowpoweraudiosink-oh-lowpoweraudiosink.md) instance and process the information reported by the callback functions. 8 9**Since**: 20 10 11**Related module**: [LowPowerAudioSink](capi-lowpoweraudiosink.md) 12 13**Header file**: [lowpower_audio_sink_base.h](capi-lowpower-audio-sink-base-h.md) 14