UserShortPopupItem.php

<?php
 
namespace Bitrix\Im\V2\Entity\User;
 
class UserShortPopupItem extends UserPopupItem
{
    public function toRestFormat(array $option = []): array
    {
        $option['USER_SHORT_FORMAT'] = true;
 
        return parent::toRestFormat($option);
    }
 
    public static function getRestEntityName(): string
    {
        return 'usersShort';
    }
}