whmcsKerioEmail/app/UI/Client/Setting/Sections/AdditionalSection.php

<?php

namespace ThurData\Servers\KerioEmail\App\UI\Client\Setting\Sections;

use ThurData\Servers\KerioEmail\App\Traits\FormExtendedTrait;
use ThurData\Servers\KerioEmail\App\UI\Admin\Custom\Sections\FreeFieldsSection;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\BaseField;
use ThurData\Servers\KerioEmail\Core\UI\Widget\Forms\Fields\Text;

/**
 *
 * Created by PhpStorm.
 * User: ThurData
 * Date: 12.11.19
 * Time: 13:42
 * Class AdditionalSection
 */
class AdditionalSection extends FreeFieldsSection
{
    protected $id   = 'additionalSection';
    protected $name = 'additionalSection';

    use FormExtendedTrait;

    public function initContent()
    {
        $this->setInternalAlertMessage('Test8');
        $this->setInternalAlertMessageRaw(true);
        $sigdescr = new BaseField('Test5');
        $sigdescr->setPlaceholder('Test7');
        $this->generateDoubleSection([$sigdescr, new Text('test2')]);

        $this->generateDoubleSection([new Text('test3'), new Text('test4')]);

    }
}