set tile

ho how can i set new Tile to level?
i tried this but tile still doesnt exist :/

PHP:

$level = $this->plugin->level;
        $tile = $level->getTile($pos);
        if(!$tile instanceof Chest){
            $level->setBlock($pos, Block::get(54, 0));
        }
        $tile = $level->getTile($pos);


What's $pos?

Vector
If i place chest it works

Set block ≠ add tile
You have to create a new tile yourself. For how to do it, look at source code about placing chests.