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> Use this file to discover all available pages before exploring further.

# PFEntityUnregisterTokenExpiredEventHandler

> 取消註冊先前註冊的回呼。

取消註冊先前註冊的回呼。

## 語法

```cpp theme={null}
void PFEntityUnregisterTokenExpiredEventHandler(  
    PFRegistrationToken token  
)  
```

### 參數

**`token`**   PFRegistrationToken

從 PFEntityRegisterTokenExpiredEventHandler 傳回的權杖。

### 傳回值

類型：void

## 需求

**標頭：** PFEntity.h

## 另請參閱

[PFEntity 成員](/zh-TW/services/playfab/api-references/c/pfentity/pfentity_members)


## Related topics

- [服務 C API 概觀 - PFEntity.h](/zh-TW/services/playfab/api-references/c/pfentity/pfentity_members.md)
- [實體控制代碼](/zh-TW/services/playfab/sdks/c/entity-handles.md)
- [PFEntityTokenExpiredEventHandler](/zh-TW/services/playfab/api-references/c/pfentity/functions/pfentitytokenexpiredeventhandler.md)
- [PFEntityRegisterTokenExpiredEventHandler](/zh-TW/services/playfab/api-references/c/pfentity/functions/pfentityregistertokenexpiredeventhandler.md)
- [PFEntityUnregisterTokenRefreshedEventHandler](/zh-TW/services/playfab/api-references/c/pfentity/functions/pfentityunregistertokenrefreshedeventhandler.md)