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

    public function getAction()
    {
        return $this->action;
    }

 public function compassTracker(PlayerInteractEvent $ev)
 {
     $p = $ev->getPlayer();
     if ($p->getInventory()->getItemInHand()->getId() === 345 && $ev->getAction() === PlayerInteractEvent::RIGHT_CLICK_AIR) {
         if (in_array($ev->getPlayer()->getName(), $this->compass)) {
             $p->sendMessage("§c§lYou cant use this for 3 minutes!");
             $ev->setCancelled(true);
             return;
         }
         if (!in_array($ev->getPlayer()->getName(), $this->compass)) {
             array_push($this->compass, $ev->getPlayer()->getName());
             $p->sendTip("§c§lYou cant use this for 3 minutes!");
             $task = new Task($this, $ev->getPlayer());
             $this->getServer()->getScheduler()->scheduleDelayedTask($task, 3600);
             $pickqv = [];
             $distSqMap = [];
             foreach ($p->getLevel()->getPlayers() as $player) {
                 asort($distSqMap);
             }
             foreach ($distSqMap as $id => $distSq) {
                 $p->sendMessage("§b§l" . $picked[$id]->getDisplayName() . " §fis §c" . round(sqrt($distSq)) . " §fblocks from you.");
             }
         }
     }
 }