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# PFAuthenticationLoginWithNintendoServiceAccountAsync

> Signs in the user with a Nintendo service account token.

Signs in the user with a Nintendo service account token.

## Syntax

```cpp theme={null}
HRESULT PFAuthenticationLoginWithNintendoServiceAccountAsync(  
    PFServiceConfigHandle serviceConfigHandle,  
    const PFAuthenticationLoginWithNintendoServiceAccountRequest* request,  
    XAsyncBlock* async  
)  
```

### Parameters

**`serviceConfigHandle`**   PFServiceConfigHandle

PFServiceConfigHandle returned from PFServiceConfigCreateHandle call.

**`request`**   [PFAuthenticationLoginWithNintendoServiceAccountRequest\*](/services/playfab/api-references/c/pfauthenticationtypes/structs/pfauthenticationloginwithnintendoserviceaccountrequest)

Populated request object.

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

XAsyncBlock for the async operation.

### Return value

Type: HRESULT

Result code for this API operation.

## Remarks

This API is available on Nintendo Switch. See also ClientLinkNintendoServiceAccountAsync, ClientUnlinkNintendoServiceAccountAsync. When the asynchronous task is complete, call [PFAuthenticationLoginWithNintendoServiceAccountGetResult](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationloginwithnintendoserviceaccountgetresult) to get the result.

## Requirements

**Header:** PFAuthentication.h

## See also

[PFAuthentication members](/services/playfab/api-references/c/pfauthentication/pfauthentication_members)


## Related topics

- [PFAuthenticationLoginWithNintendoServiceAccountGetResult](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationloginwithnintendoserviceaccountgetresult.md)
- [PFAuthenticationLoginWithNintendoServiceAccountGetResultSize](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationloginwithnintendoserviceaccountgetresultsize.md)
- [Services C API overview - PFAuthentication.h](/services/playfab/api-references/c/pfauthentication/pfauthentication_members.md)
- [PFAuthenticationReLoginWithNintendoServiceAccountAsync](/services/playfab/api-references/c/pfauthentication/functions/pfauthenticationreloginwithnintendoserviceaccountasync.md)
- [PFAuthenticationLoginWithNintendoServiceAccountRequest](/services/playfab/api-references/c/pfauthenticationtypes/structs/pfauthenticationloginwithnintendoserviceaccountrequest.md)