Group Unjoin

**Brief description:**

- Unjoin a specific group.

**Endpoint：**

- `https://www.mywebsite.com/api/v1.0/groups_unjoin`
  
**Method:**

- POST / GET

**Parameter:**

|Parameter name|Required|Type|Explain|
|:----    |:---|:----- |-----   |
|api_key_token |Yes  |string |Your API key   |
|group_guid|Yes|integer| A group ID
|guid|Yes|integer| User `GUID` who is unjoining the group|

**Example Response **

``` 
{
    "merchant": "Open Source Social Network",
    "url": "http:\/\/www.mywebsite.com\/",
    "time_token": 1569329343,
    "payload": {
        "group": {
            "guid": "7",
            "title": "Test Group",           
			...
            ...
            ...
            "ismember": false,
            "request_exists": false,
			...
        }
    },
    "code": "100",
    "message": "Request successfully executed"
}
```

**Return payload parameter description **

|Parameter name|Explain|
|:-----  |-----|
|group.ismember| always `false`|
|group.request_exists| always `false` |