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# XStoreGetUserPurchaseIdResultSize

> XStoreGetUserPurchaseIdResultSize

# XStoreGetUserPurchaseIdResultSize

Gets the size of the result returned by [XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult).

## Syntax

```cpp theme={null}
HRESULT XStoreGetUserPurchaseIdResultSize(  
         XAsyncBlock* async,  
         size_t* size  
)  
```

### Parameters

*async*   \_In\_\
Type: [XAsyncBlock\*](/reference/system/xasync/structs/xasyncblock)

The XAsyncBlock passed to [XStoreGetUserPurchaseIdAsync](/reference/system/xstore/functions/xstoregetuserpurchaseidasync). The [XAsyncBlock](/reference/system/xasync/structs/xasyncblock) can be used to poll for the call's status and retrieve call results. See [XAsyncBlock](/reference/system/xasync/structs/xasyncblock) for more information.

*size*   \_Out\_\
Type: size\_t\*

On success returns the size of the result that will be returned by [XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult).

### Return value

Type: HRESULT

HRESULT success or error code.

## Remarks

This result function allows you to retrieve the size of the purchase ID when [XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult) was called. As such, this function should be called after [XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult) has been called, usually in the context of a callback function. See [XStoreGetUserPurchaseIdAsync](/reference/system/xstore/functions/xstoregetuserpurchaseidasync) for a usage example.

## Requirements

**Header:** XStore.h (included in XGameRuntime.h)

**Library:** xgameruntime.lib

**Supported platforms:** Windows, XBOX One family consoles and XBOX Series consoles

## See also

[XStore](/reference/system/xstore/xstore_members)\
[XStoreGetUserPurchaseIdAsync](/reference/system/xstore/functions/xstoregetuserpurchaseidasync)\
[XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult)


## Related topics

- [XStore](/reference/system/xstore/xstore_members.md)
- [Unity C# API wrappers for the GDK](/build/gdk-and-engines/unity/unity-api-wrappers.md)
- [XStoreGetUserPurchaseIdResult](/reference/system/xstore/functions/xstoregetuserpurchaseidresult.md)
- [XStoreGetUserPurchaseIdAsync](/reference/system/xstore/functions/xstoregetuserpurchaseidasync.md)
- [XStoreGetUserCollectionsIdResultSize](/reference/system/xstore/functions/xstoregetusercollectionsidresultsize.md)