conversion.php

<?php
 
namespace Bitrix\Seo\BusinessSuite;
 
use Bitrix\Main\Config;
use Bitrix\Seo\Retargeting;
use Bitrix\Seo\Conversion\Facebook\Event;
use Bitrix\Seo\BusinessSuite\Configuration\Facebook;
use Bitrix\Seo\Conversion\ConversionEventInterface;
 
abstract class Conversion extends AbstractBase
{
    protected function getData(array $events) : array
    {
        return array_filter(array_map(
            function($item) {
                return $item instanceof Event && $item->validate()? $item->prepareData() : null;
            },
            $events
        ));
    }
 
    public function fireEvents(array $events) : ?Retargeting\Response
    {
        $facade = ExtensionFacade::getInstance();
        if($facade->isInstalled() && !empty($events = $this->getData($events)))
        {
 
            return $this->getRequest()->send([
                'methodName' => $this->getMethodName('conversion.event.fire'),
                'parameters' => array_filter([
                    'fbe_external_business_id' => $facade->getCurrentSetup()->get(Facebook\Setup::BUSINESS_ID),
                    'business_manager_id' => $facade->getCurrentInstalls()->getBusinessManager(),
                    'pixel_id' => $facade->getCurrentInstalls()->getPixel(),
                    'test_code' => Config\Option::get('seo', 'facebook_conversion_test_code', null),
                    'events' => $events
                ])
            ]);
        }
 
        return null;
    }
}