# 结构 AuthenticationSignInOptions

> Reference the data structure for sign-in call options.

表示身份验证登录调用选项的结构。

##### Include（包括）##include

```cpp
#include "Models/AuthenticationSignInOptions.h"
```

##### 语法##syntax

```cpp
USTRUCT(BlueprintType)
struct AUTHENTICATION_API FAuthenticationSignInOptions
```

## 字段##fields

### CreateAccount##createaccount

是否在登录时创建帐户。

#### 声明##declaration

```cpp
bool bCreateAccount = false
```

#### 蓝图##blueprint

| **Name**             | **类型**                                                                                             | **默认值** | **蓝图属性类型**        | **蓝图属性类别**                        |                |    |
| :------------------- | :------------------------------------------------------------------------------------------------- | :------ | :---------------- | :-------------------------------- | -------------- | -- |
| Create Account（创建帐户） | [布尔值](https://docs.unrealengine.com/5.3/en-US/blueprint-variables-in-unreal-engine/#variabletypes) | `false` | BlueprintReadOnly | Unity Gaming Services（Unity 游戏服务） | Authentication | 模型 |

#### C++##c++

| **Name**         | **类型** | **默认值** |
| :--------------- | :----- | :------ |
| `bCreateAccount` | `bool` | `false` |

### Nonce##nonce

用于将客户端会话与 ID 令牌关联的字符串值。

#### 声明##declaration

```cpp
FString Nonce
```

#### 蓝图##blueprint

| **Name** | **类型**                                                                                             | **蓝图属性类型**        | **蓝图属性类别**                        |                |    |
| :------- | :------------------------------------------------------------------------------------------------- | :---------------- | :-------------------------------- | -------------- | -- |
| Nonce    | [字符串](https://docs.unrealengine.com/5.3/en-US/blueprint-variables-in-unreal-engine/#variabletypes) | BlueprintReadOnly | Unity Gaming Services（Unity 游戏服务） | Authentication | 模型 |

#### C++##c++

| **Name** | **类型**                                                                                  |
| :------- | :-------------------------------------------------------------------------------------- |
| `Nonce`  | [FString](https://docs.unrealengine.com/5.3/en-US/API/Runtime/Core/Containers/FString/) |