whmcsKerioEmail/app/UI/Client/Setting/Forms/InfoForm.php

<?php
namespace ThurData\Servers\KerioEmail\App\UI\Client\Setting\Forms;

use ThurData\Servers\KerioEmail\core\UI\Traits\Alerts;
use ThurData\Servers\KerioEmail\App\UI\Admin\Custom\Forms\SortedFieldForm;
use ThurData\Servers\KerioEmail\App\UI\Client\Setting\Providers\InfoSettingDataProvider;
use ThurData\Servers\KerioEmail\Core\UI\Interfaces\ClientArea;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Hidden;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Select;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Text;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\FormConstants;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\BaseForm;


class InfoForm extends BaseForm implements ClientArea
{
    public function initContent()
    {
        $this->initIds('infoForm');
        $this->setFormType('info');
        $this->setProvider(new InfoSettingDataProvider());
        $this->initFields();
        $this->loadDataToForm();
    }

    public function getAllowedActions()
    {
        return ['info'];
    }

    private function initFields()
    {
        $this->setConfirmMessage("DNS Information");
        $this->addInternalAlert('Test', 'info', 100);
        $this->addField(new Hidden("selfdns"));
        $this->addField(new Hidden("selfdomain"));
        $this->addField(new Text("mxactive"));
        $this->addField(new Text("spf"));
        $this->addField(new Text("dmarc"));
        $this->addField(new Text("dkim"));
    }
}