1# AVPlayerCallback 2 3 4## Overview 5 6The **AVPlayerCallback** struct defines all the callback function pointers of an **OH_AVPlayer** instance. To ensure the normal running of **OH_AVPlayer**, you must register the instance of this struct with the **OH_AVPlayer** instance and process the information reported by the callback functions. 7 8**System capability**: SystemCapability.Multimedia.Media.AVPlayer 9 10**Since**: 11 11 12**Related module**: [AVPlayer](_a_v_player.md) 13 14 15## Summary 16 17 18### Member Variables 19 20| Name| Description| 21| -------- | -------- | 22| [onInfo](_a_v_player.md#oninfo) | Defines the AVPlayer process information. For details, see [OH_AVPlayerOnInfo](_a_v_player.md#oh_avplayeroninfo).| 23| [onError](_a_v_player.md#onerror) | Defines the AVPlayer error information. For details, see [OH_AVPlayerOnError](_a_v_player.md#oh_avplayeronerror).| 24