> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# XblMultiplayerSessionAddMemberReservation

> XblMultiplayerSessionAddMemberReservation

# XblMultiplayerSessionAddMemberReservation

为指定的 xuid 和成员常量在会话上添加一个新的成员保留位。

## 语法

```cpp theme={null}
HRESULT XblMultiplayerSessionAddMemberReservation(  
         XblMultiplayerSessionHandle handle,  
         uint64_t xuid,  
         const char* memberCustomConstantsJson,  
         bool initializeRequested  
)  
```

### 参数

*handle*   \_In\_\
类型：[XblMultiplayerSessionHandle](/reference/live/xsapi-c/multiplayer_c/handles/xblmultiplayersessionhandle)

指向多人游戏会话的句柄。

*xuid*   \_In\_\
类型：uint64\_t

要为其添加保留位的 xuid。

*memberCustomConstantsJson*   \_In\_opt\_z\_\
类型：char\*

要为此成员设置的自定义常量。这是唯一可以设置该成员常量的时机。（可选）

*initializeRequested*   \_In\_\
类型：bool

如果系统应执行托管初始化则为 true，否则为 false。

### 返回值

类型：HRESULT

此 API 操作的 HRESULT 返回代码。

## 要求

**头文件：** multiplayer\_c.h

**库：** Microsoft.Xbox.Services.14x.GDK.C.lib

## 另请参阅

[multiplayer\_c](/reference/live/xsapi-c/multiplayer_c/multiplayer_c_members)


## Related topics

- [XblMultiplayerSessionMembers](/zh-CN/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersessionmembers.md)
- [XblMultiplayerSessionCurrentUserSetStatus](/zh-CN/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersessioncurrentusersetstatus.md)
- [多人游戏常见问题和故障排除](/zh-CN/services/xbox-services/multiplayer/mpsd/concepts/live-multiplayer-2015-faq.md)
- [XblMultiplayerManagerLobbySessionSetLocalMemberConnectionAddress](/zh-CN/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerlobbysessionsetlocalmemberconnectionaddress.md)
- [XblMultiplayerSessionMember](/zh-CN/reference/live/xsapi-c/multiplayer_c/structs/xblmultiplayersessionmember.md)