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# PartyEndpoint::GetSharedProperty

> 获取共享属性的值。

获取共享属性的值。

## Syntax

```cpp theme={null}
PartyError GetSharedProperty(  
    PartyString key,  
    PartyDataBuffer* value  
)  
```

### Parameters

**`key`**   [PartyString](/services/playfab/multiplayer/networking/reference/typedefs)

要检索的共享属性的键。

**`value`**   [PartyDataBuffer\*](/services/playfab/multiplayer/networking/reference/structs/partydatabuffer)\
*output*

一个输出结构，接收指向该属性值的指针以及该值数据的字节长度。如果未找到该属性，调用将成功，但值将为 nullptr，字节长度将为 0。

### Return value

PartyError

如果调用成功，则返回 `c_partyErrorSuccess`；否则返回错误代码。可通过 [PartyManager::GetErrorMessage()](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_geterrormessage) 检索错误代码的可读形式。

## Remarks

如果没有与该键关联的属性，则结果值为 nullptr。返回的值仅在下次调用 [PartyManager::StartProcessingStateChanges()](/services/playfab/multiplayer/networking/reference/classes/PartyManager/methods/partymanager_startprocessingstatechanges) 之前有效。

## Requirements

**Header:** Party.h

## See also

[PartyEndpoint](/services/playfab/multiplayer/networking/reference/classes/PartyEndpoint/partyendpoint)\
[PartyNetwork::CreateEndpoint](/services/playfab/multiplayer/networking/reference/classes/PartyNetwork/methods/partynetwork_createendpoint)


## Related topics

- [PartyNetwork::CreateEndpoint](/zh-CN/services/playfab/multiplayer/networking/reference/classes/PartyNetwork/methods/partynetwork_createendpoint.md)
- [PlayFab Party 发行说明](/zh-CN/services/playfab/multiplayer/networking/release-notes.md)
- [PartyEndpoint::GetLocal](/zh-CN/services/playfab/multiplayer/networking/reference/classes/PartyEndpoint/methods/partyendpoint_getlocal.md)
- [PartyEndpoint::GetDevice](/zh-CN/services/playfab/multiplayer/networking/reference/classes/PartyEndpoint/methods/partyendpoint_getdevice.md)
- [PartyEndpoint::GetNetwork](/zh-CN/services/playfab/multiplayer/networking/reference/classes/PartyEndpoint/methods/partyendpoint_getnetwork.md)