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# PFStatisticsGetStatisticDefinitionGetResultSize

> Reference for PFStatisticsGetStatisticDefinitionGetResultSize, which returns the result buffer size for GetStatisticDefinitionAsync in the PlayFab C API.

Get the size in bytes needed to store the result of a GetStatisticDefinition call.

## Syntax

```cpp theme={null}
HRESULT PFStatisticsGetStatisticDefinitionGetResultSize(  
    XAsyncBlock* async,  
    size_t* bufferSize  
)  
```

### Parameters

**`async`**   XAsyncBlock\*\
*Inout*

XAsyncBlock for the async operation.

**`bufferSize`**   size\_t\*\
*output*

The buffer size in bytes required for the result.

### Return value

Type: HRESULT

Result code for this API operation. If the service call is unsuccessful, the result will be E\_PF\_STATISTIC\_NOT\_FOUND or any of the global PlayFab Service errors. See doc page "Handling PlayFab Errors" for more details on error handling.

## Requirements

**Header:** PFStatistics.h

## See also

[PFStatistics members](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/pfstatistics_members.md)


## Related topics

- [PFStatisticsGetStatisticDefinitionAsync](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsgetstatisticdefinitionasync.md)
- [Services C API overview - PFStatistics.h](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/pfstatistics_members.md)
- [PFStatisticsListStatisticDefinitionsGetResultSize](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsliststatisticdefinitionsgetresultsize.md)
- [PFStatisticsGetStatisticDefinitionGetResult](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsgetstatisticdefinitiongetresult.md)
- [PFStatisticsListStatisticDefinitionsGetResult](https://docs.xbox.com/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsliststatisticdefinitionsgetresult.md)