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

# PFEntityKey

> PlayFab C SDK 中的 PFEntityKey 数据模型：组合的实体类型和 ID 结构，可在 API 调用中唯一标识单个 PlayFab 实体。

PFEntityKey 数据模型。组合的实体类型和 ID 结构，唯一标识单个实体。

## 语法

```cpp theme={null}
typedef struct PFEntityKey {  
    const char* id;  
    const char* type;  
} PFEntityKey;  
```

### 成员

**`id`**   const char\*\
*is null-terminated*

实体的唯一 ID。

**`type`**   const char\*\
*is null-terminated*

（可选）实体类型。请参阅 [/playfab/live-service-management/game-configuration/entities/available-built-in-entity-types。](https://docs.xbox.com/zh-CN/services/playfab/live-service-management/game-configuration/entities/available-built-in-entity-types.md)

## 要求

**头文件：** PFTypes.h

## 另请参阅

[PFTypes 成员](https://docs.xbox.com/zh-CN/services/playfab/api-references/c/pftypes/pftypes_members.md)


## Related topics

- [PFEntityKey](https://docs.xbox.com/zh-CN/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/PFEntityKey/PFEntityKey.md)
- [PFEntityKey.Type](https://docs.xbox.com/zh-CN/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/PFEntityKey/Type.md)
- [PFEntityKey.Id](https://docs.xbox.com/zh-CN/services/playfab/multiplayer/lobby/unity-multiplayer-api-reference/PlayFab.Multiplayer/PFEntityKey/Id.md)
- [PFEntityGetEntityKey](https://docs.xbox.com/zh-CN/services/playfab/api-references/c/pfentity/functions/pfentitygetentitykey.md)
- [PFEntityKey - PlayFab Multiplayer SDK](https://docs.xbox.com/zh-CN/services/playfab/multiplayer/lobby/playfabmultiplayerreference-cpp/pfmultiplayer/pfentitykey_clientsdk.md)