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# PFStatisticsListStatisticDefinitionsGetResultSize

> Reference for PFStatisticsListStatisticDefinitionsGetResultSize, returning the result buffer size for ListStatisticDefinitionsAsync in the PlayFab C API.

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

## Syntax

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

### Parameters

**`async`**   XAsyncBlock\*<br />*Inout*

XAsyncBlock for the async operation.

**`bufferSize`**   size\_t\*<br />*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\_COUNT\_LIMIT\_EXCEEDED 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](/services/playfab/api-references/c/pfstatistics/pfstatistics_members)


## Related topics

- [PFStatisticsListStatisticDefinitionsAsync](/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsliststatisticdefinitionsasync.md)
- [Services C API overview - PFStatistics.h](/services/playfab/api-references/c/pfstatistics/pfstatistics_members.md)
- [PFStatisticsListStatisticDefinitionsGetResult](/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsliststatisticdefinitionsgetresult.md)
- [PFStatisticsGetStatisticDefinitionGetResultSize](/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsgetstatisticdefinitiongetresultsize.md)
- [PFStatisticsGetStatisticDefinitionGetResult](/services/playfab/api-references/c/pfstatistics/functions/pfstatisticsgetstatisticdefinitiongetresult.md)