1# CaptureSession_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 a capture session. 11 12**Since**: 11 13 14**Related module**: [OH_Camera](capi-oh-camera.md) 15 16**Header file**: [capture_session.h](capi-capture-session-h.md) 17 18## Summary 19 20### Member Variables 21 22| Name| Description| 23| -- | -- | 24| [OH_CaptureSession_OnFocusStateChange](capi-capture-session-h.md#oh_capturesession_onfocusstatechange) onFocusStateChange | Callback to report a focus status change of a capture session.| 25| [OH_CaptureSession_OnError](capi-capture-session-h.md#oh_capturesession_onerror) onError | Callback to report a capture session error.| 26