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

Syntax

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_ENCRYPTION_KEY_MISSING, E_PF_EVALUATION_MODE_PLAYER_COUNT_EXCEEDED, E_PF_GAME_CENTER_AUTHENTICATION_FAILED, E_PF_INVALID_GAME_CENTER_AUTH_REQUEST, E_PF_INVALID_GAME_CENTER_ID, E_PF_PLAYER_SECRET_ALREADY_CONFIGURED, E_PF_PLAYER_SECRET_NOT_CONFIGURED, E_PF_REQUEST_VIEW_CONSTRAINT_PARAMS_NOT_ALLOWED or any of the global PlayFab Service errors. See doc page “Handling PlayFab Errors” for more details on error handling.

Requirements

Header: PFAuthentication.h

See also

PFAuthentication members
Last modified on August 1, 2026