# OH_AVMetadataBuilderStruct
<!--Kit: AVSession Kit-->
<!--Subsystem: Multimedia-->
<!--Owner: @ccfriend; @liao_qian-->
<!--SE: @ccfriend-->
<!--TSE: @chenmingxi1_huawei-->

## Overview

The struct describes the session metadata builder, which is used to construct session metadata.

**Since**: 13

**Related module**: [OHAVSession](capi-ohavsession.md)

**Header file**: [native_avmetadata.h](capi-native-avmetadata-h.md)