Laravel: Get last items from relation grouped by

Season::with(['temps' => function($query) {
            $query->whereRAW('id in (select max(id) from temperatures where season_id=@row.id@ group by user_id desc)');
        }])->find(2);

Hi, i try to replace @row.id@ with current row id. I have many temps for each season, and i need to extract last temp sended by each user.

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