1# OH_Pixelmap_HdrDynamicMetadata 2 3## Overview 4 5The OH_Pixelmap_HdrDynamicMetadata struct describes the dynamic metadata values available for the key **DR_DYNAMIC_METADATA**. 6 7**Since**: 12 8 9**Related module**: [Image_NativeModule](capi-image-nativemodule.md) 10 11**Header file**: [pixelmap_native.h](capi-pixelmap-native-h.md) 12 13## Summary 14 15### Member Variables 16 17| Name| Description| 18| -- | -- | 19| uint8_t* data | Value of dynamic metadata.| 20| uint32_t length | Length of the dynamic metadata value.| 21