extension.php

См. документацию.

<?php
 
namespace Bitrix\Seo\BusinessSuite;
 
use Bitrix\Seo\Retargeting;
use Bitrix\Seo\BusinessSuite\Configuration\Facebook;
 
abstract class Extension extends AbstractBase
{
    public function getInstalls(): ?Retargeting\Response
    {
        if ($setup = Facebook\Setup::load())
        {
            return $installs = $this->getRequest()->send(['methodName' => $this->getMethodName('installs.get'),
                'parameters' => [
                    'fbe_external_business_id' => $setup->get(Facebook\Setup::BUSINESS_ID)
                ]
            ]);
        }
        return null;
    }

    public function uninstall() : ?Retargeting\Response
    {
        if ($setup = Facebook\Setup::load())
        {
            return $this->getRequest()->send([
                'methodName' => $this->getMethodName('installs.delete'),
                'parameters' => [
                    'fbe_external_business_id' => $setup->get(Facebook\Setup::BUSINESS_ID)
                ]
            ]);
        }
        return null;
    }
}