feedbackbutton.php

См. документацию.

<?php
 
namespace Bitrix\UI\Buttons;
 
use Bitrix\Main\Localization\Loc;
 
class FeedbackButton extends Button
{
    protected function getDefaultParameters(): array
    {
        return [
            'text' => Loc::getMessage('UI_BUTTONS_FEEDBACK_BTN_TEXT'),
            'color' => Color::LIGHT_BORDER,
            'dataset' => [
                'toolbar-collapsed-icon' => Icon::MAIL,
            ],
        ];
    }
 
    protected function init(array $params = []): void
    {
        $params['highlight'] = (bool)($params['highlight'] ?? false);
        if ($params['highlight'])
        {
            $params['styles'] ??= [];
            $params['styles']['z-index'] = 140;
            $params['styles']['background-color'] = '#fff';
        }
        unset($params['highlight']);
 
        parent::init($params);
    }

    public static function getJsClass(): string
    {
        return 'BX.UI.Button';
    }
}