UpdateHandlerInterface.php

См. документацию.

<?php
 
namespace Bitrix\Socialnetwork\Control\Handler\Update;
 
use Bitrix\Socialnetwork\Control\Command\UpdateCommand;
use Bitrix\Socialnetwork\Control\Handler\HandlerResult;
use Bitrix\Socialnetwork\Item\Workgroup;
 
interface UpdateHandlerInterface
{
    public function update(UpdateCommand $command, Workgroup $entityBefore, Workgroup $entityAfter): HandlerResult;
}