My Forms Code

 public function openMyForm($player)
    {
        $api = $this->getServer()->getPluginManager()->getPlugin("FormAPI");
        $form = $api->createSimpleForm(function (player $player, int $data = null) {
            $result = $data;
            if ($result === null) {
                return true;
            }
            switch ($result) {
                case 0:
                    //where i want the tp command to go;
                    break;
            }
        });
        $form->setTitle("§l§o§3FFA Arenas GUI");
        $form->setContent("§l§o§3Please Select An Arena To Be Warped Too");
        $form->addButton("§l§o§3NoDebuff Arena");
        $form->addButton("§l§o§3Gapple Arena");
        $form->addButton("§l§o§3Sumo Arena");
        $form->addButton("§l§o§3Combo Arena");
        $form->sendToPlayer($player);
        return $form;
    }