# OH_Pixelmap_HdrDynamicMetadata


## Overview

The OH_Pixelmap_HdrDynamicMetadata struct describes the dynamic metadata values available for the key **DR_DYNAMIC_METADATA**.

**Since**: 12

**Related module**: [Image_NativeModule](_image___native_module.md)


## Summary


### Member Variables

| Name| Description| 
| -------- | -------- |
| uint8_t \* [data](#data) | Value of dynamic metadata. | 
| uint32_t [length](#length) | Length of the dynamic metadata value. | 


## Member Variable Description


### data

```
uint8_t* OH_Pixelmap_HdrDynamicMetadata::data
```

**Description**

Value of dynamic metadata.


### length

```
uint32_t OH_Pixelmap_HdrDynamicMetadata::length
```

**Description**

Length of the dynamic metadata value.