ShowModalFormPacket

public function onInteract(PlayerInteractEvent $event) {
    $player = $event->getPlayer();
    $data = ['type' => 'custom_form',
    'title' => 'Это мега крутое меню',
    'content' => [[
            "type" => "label",
            "text" => "Это надпись крч (Label)"
        ],[
            "type" => "input",
            "text" => "Инпут",
            "placeholder" => "азазазаза",
            "default" => ""
        ],
        [
            "type" => "slider",
            "text" => "Это слайдер нах",
            "min" => 0,
            "max" => 100,
            "step" => 1
        ],
        [
            "type" => "toggle",
            "text" => "это чек бокс",
            "default" => true
        ],
        [
            'type' => 'step_slider',
            'text' => 'Степ слайдер',
            'steps' => ["Lorem", "Ipsum", "Dolor"],
            'default' => 1
        ],
        [
            'type' => 'dropdown',
            'text' => 'а это дропдаун',
            'options' => ['lorem', 'ipsum', 'dolor'],
            'default' => 0
        ]]];
    $data = json_encode($data);
    $packet = new ShowModalFormPacket();
    $packet->formId = 1;
    $packet->data = $data;
    $player->dataPacket($packet);
}