```javascript
WXAPI.couponsShareOpen(token, id)
```
+ token user login credentials
+ id The coupon id that needs to be shared
```json
{
"code": 0,
"data": "4f570c81-160c-4417-852c-de421bcd37d9",
"msg": "success"
}
```
The returned `data` field is the shared key of the coupon
You can tell your friends the coupon ID and share the key, and then you can give the coupon to your friends.
+ You can send it to friends and groups by sharing and forwarding, along with the coupon ID and sharing key information
+ You can write the coupon ID and sharing key information into the QR code, and let your friends scan the code to receive it.