Listen to event and change model

ViewController.swift

    @IBAction func nameChanged(_ sender: UITextField) {
        model.name = sender.text
    }
    
    @IBAction func emailChanged(_ sender: UITextField) {
        model.email = sender.text
    }
    
    @IBAction func switchChanged(_ sender: UISwitch) {
        model.likeKiwi = sender.isOn
    }
    
    @IBAction func hobbySelected(_ sender: UIButton) {
        sender.isSelected.toggle()
        
        let isSelected = sender.isSelected
        if sender.tag == 1 {
            model.travel = isSelected
        }else if sender.tag == 2 {
            model.hiking = isSelected
        }else if sender.tag == 3 {
            model.reading = isSelected
        }
    }