1# PhotoOutput_Callbacks 2<!--Kit: Camera Kit--> 3<!--Subsystem: Multimedia--> 4<!--Owner: @qano--> 5<!--SE: @leo_ysl--> 6<!--TSE: @xchaosioda--> 7 8## Overview 9 10The struct describes the callbacks related to photo output. 11 12**Since**: 11 13 14**Related module**: [OH_Camera](capi-oh-camera.md) 15 16**Header file**: [photo_output.h](capi-photo-output-h.md) 17 18## Summary 19 20### Member Variables 21 22| Name| Description| 23| -- | -- | 24| [OH_PhotoOutput_OnFrameStart](capi-photo-output-h.md#oh_photooutput_onframestart) onFrameStart | Callback to report photo output frame start events.| 25| [OH_PhotoOutput_OnFrameShutter](capi-photo-output-h.md#oh_photooutput_onframeshutter) onFrameShutter | Callback to report frame shutter events.| 26| [OH_PhotoOutput_OnFrameEnd](capi-photo-output-h.md#oh_photooutput_onframeend) onFrameEnd | Callback to report photo output frame end events.| 27| [OH_PhotoOutput_OnError](capi-photo-output-h.md#oh_photooutput_onerror) onError | Callback to report photo output errors.| 28