# `POST` /api/followships

### Feature

User 新增一筆追蹤紀錄

### Parameters

N/A

### Request Body

|Name|Required|Description|Type|
|----|--------|-----------|----|
|`id`|True|要新增追蹤紀錄的`followingId`|Number|

### Response Body

<font color="#008B8B">Success | code: 200</font>

{
    "status": "success"
}

<font color="#DC143C">Failure | code: 404</font>
欲追蹤的使用者 id 不存在

{
    "status": "error",
    "message": "The user does not exist."
}

<font color="#DC143C">Failure | code: 422</font>
欲追蹤自己

{
    "status": "error",
    "message": "User can not follow themself."
}

<font color="#DC143C">Failure | code: 422</font>
欲重複追蹤

{
    "status": "error",
    "message": "You already followed the user."
}

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###### tags: `API-doc`