AttachService.php

<?php
 
namespace Bitrix\Im\V2\Message\Attach;
 
use Bitrix\Im\V2\Message;
use Bitrix\Im\V2\Message\Params;
use Bitrix\Main\Engine\CurrentUser;
 
class AttachService
{
    public function deleteRichUrl(Message $message): void
    {
        $params = $message->getParams();
 
        $urlIds = $params->get('URL_ID')->getValue();
        if (empty($urlIds))
        {
            return;
        }
 
        $params->get('URL_ID')->unsetValue();
        $params->get('URL_ONLY')->unsetValue();
        $params->save();
 
        (new Message\Param\PushService())->sendPull($message, ['URL_ID', 'ATTACH', 'URL_ONLY']);
    }
}