Go webscoket - receive messages

msg.go

type Message struct {
	Id        string
	Message   string `json:"msg"`
	Sender    string
	Receiver  string `json:"receiver,omitempty"`
	Group     bool   `json:"group"`
	GroupName string `json:"group_name,omitempty"`
}

func ReceiveMessage(conn *websocket.Conn) {
	for {
		_, msg, errCon := conn.ReadMessage()

		if errCon != nil {
			log.Println("Read Error:", errCon)
			conn.Close()
			break
		}
		var r Message
		if err := json.Unmarshal(msg, &r); err != nil {

			log.Println("Error: " + err.Error())
			return
		}
		r.Id = utils.GenerateKsuid()
		r.Sender = userID
	}
}