> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PFMultiplayerServerListBuildAliasesGetResultSize

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

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

## Syntax

```cpp theme={null}
HRESULT PFMultiplayerServerListBuildAliasesGetResultSize(  
    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\_API\_NOT\_ENABLED\_FOR\_GAME\_CLIENT\_ACCESS, E\_PF\_MULTIPLAYER\_SERVER\_BAD\_REQUEST, E\_PF\_MULTIPLAYER\_SERVER\_FORBIDDEN, E\_PF\_MULTIPLAYER\_SERVER\_INTERNAL\_SERVER\_ERROR, E\_PF\_MULTIPLAYER\_SERVER\_NOT\_FOUND, E\_PF\_MULTIPLAYER\_SERVER\_UNAUTHORIZED, E\_PF\_MULTIPLAYER\_SERVER\_UNAVAILABLE, E\_PF\_PRODUCT\_DISABLED\_FOR\_TITLE or any of the global PlayFab Service errors. See doc page "Handling PlayFab Errors" for more details on error handling.

## Requirements

**Header:** PFMultiplayerServer.h

## See also

[PFMultiplayerServer members](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerserver/pfmultiplayerserver_members.md)


## Related topics

- [PFMultiplayerServerListBuildAliasesAsync](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerserver/functions/pfmultiplayerserverlistbuildaliasesasync.md)
- [Services C API overview - PFMultiplayerServer.h](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerserver/pfmultiplayerserver_members.md)
- [PFMultiplayerServerListBuildAliasesGetResult](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerserver/functions/pfmultiplayerserverlistbuildaliasesgetresult.md)
- [PFMultiplayerServerListBuildAliasesResponse](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerservertypes/structs/pfmultiplayerserverlistbuildaliasesresponse.md)
- [PFMultiplayerServerListBuildAliasesRequest](https://docs.xbox.com/services/playfab/api-references/c/pfmultiplayerservertypes/structs/pfmultiplayerserverlistbuildaliasesrequest.md)