activityadd.php

См. документацию.

<?php
namespace Bitrix\Sale\Exchange\Integration\Service\Scenarios\Controller;
 
use \Bitrix\Sale\Exchange\Integration\Service\Scenarios;
 
class ActivityAdd extends Scenarios\ActivityAdd
{
    public function adds(array $params)
    {
        static::dealAddsRelation($params);
        return parent::adds($params);
    }
}