# get\_function\_code\_download\_url 方法

## 简要

获取给定无服务器云函数的源代码 ZIP 档案下载 URL 字符串。

```python
def get_function_code_download_url(self,
    region_id: str,
    namespace_name: str,
    function_name: str,
    function_version: str = None
) -> dict
```

## 参数

该方法的参数和参数描述如下：

| 参数                | 类型  | 必选 | 描述                      |
| ----------------- | --- | -- | ----------------------- |
| region\_id        | str | 是  | 获取的无服务器云函数所在数据中心的唯一标识符。 |
| namespace\_name   | str | 是  | 获取的无服务器云函数所在命名空间的名称。    |
| function\_name    | str | 是  | 获取的无服务器云函数名称。           |
| function\_version | str | 否  | 获取的无服务器云函数版本名称。         |

## 返回值

返回给定无服务器云函数的源代码 ZIP 档案下载 URL 字符串。

## 异常

该方法可能会主动引发以下异常：

#### ValueError

参数值或类型不符合预期。

#### ActionError

Tencent Cloud API 错误。例如访问凭据无效、给定无服务器云函数不存在等均会引发该异常。

## 示例

下面我们将通过一段 Python 代码向您演示如何使用该方法：

```python
download_url: str = function_client.get_function_code_download_url(
    region_id = 'ap-shanghai',
    namespace_name = 'default',
    function_name = 'addend',
    function_version = '1'
)
```

## 适用于

#### Tencent Cloud SDK for Python

产品软件包：tencent-cloud-sdk-serverless-functions >= 0.1.1


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