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# GetRequiredParameterResourceSize

> Retrieves the amount of memory required for the specified runtime parameter resource for a meta command, for the specified stage.

Retrieves the amount of memory required for the  specified  runtime parameter resource for a meta command, for the specified stage.

## Syntax

```cpp theme={null}
UINT64 GetRequiredParameterResourceSize(
    D3D12_META_COMMAND_PARAMETER_STAGE Stage,
    UINT ParameterIndex
)
```

### Parameters

*Stage \[in]*\
Type: D3D12\_META\_COMMAND\_PARAMETER\_STAGE

A **D3D12\_META\_COMMAND\_PARAMETER\_STAGE** specifying the stage to which the parameter belongs.

*ParameterIndex \[in]*\
Type: UINT

The zero-based index of the parameter within the stage.

### Return value

Type: UINT64

The number of bytes required for the  specified  runtime parameter resource.

## Requirements

**Header:** d3d12\_xs.h or d3d12\_x.h\
**Library:** d3d12\_xs.lib or d3d12\_x.lib\
**Supported Platforms**: XBOX Series consoles and XBOX One family

## See Also

[ID3D12MetaCommand](/reference/graphics/d3d12/interfaces/id3d12metacommand/id3d12metacommand_public)


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