pocketmine\event\player\PlayerInteractEvent::getBlock PHP Method

    public function getBlock()
    {
        return $this->blockTouched;
    }

 public function onPlayerInteract(PlayerInteractEvent $event)
 {
     if ($event->getPlayer() instanceof Player) {
         $player = $event->getPlayer();
         $block = $event->getBlock();
         if ($this->plugin->blockhud) {
             $event->getPlayer()->sendMessage("TOUCHED " . $block->getId() . " [x=" . round($block->x) . " y=" . round($block->y) . " z=" . round($block->z) . "]");
         }
     }
 }