会签文件拷贝
## 会签文件拷贝
>对已关闭会签进行拷贝
###### 接口地址
> 地址：https://open.wellsign.cn/sdk/parasign/v2/links/copy
###### 请求方式
> POST
###### 请求参数
|参数|必选|类型|说明|
|-|-|-|-|
|sequenceId|必填|string|唯一对应着文件，是签字链接的sequenceId |
|token|必填|string|授权token|
###### 返回参数
|返回参数|说明|
|-|-|
|sequenceId|拷贝后文件的sequenceId|
###### 返回成功
``` javascript
{
"succeed": 0,
"msg": null,
"data": {
"sequenceId": "Zfbpk0zerc"
}
}
```
###### 返回失败
``` javascript
{
"succeed": 1990,
"msg": {
"en": "The signature has not been closed yet. The document after signature can not be copied. Please close the signature first.",
"cn": "会签还未关闭，无法拷贝文件，请先关闭会签"
},
"data": null
}
```