how do I add a command to my leaderboard

PHP:

<?php

namespace top;

 use pocketmine\plugin\PluginBase;
 use pocketmine\Player;
 use pocketmine\Server;
 use pocketmine\event\Listener;
 use pocketmine\event\player\PlayerJoinEvent;
 
 use pocketmine\item\Item;
 use pocketmine\event\block\BlockPlaceEvent;
 use pocketmine\event\block\BlockBreakEvent;
 
 use pocketmine\block\Block;
 
 use pocketmine\utils\Config;
 use pocketmine\math\Vector3;

class Main extends PluginBase implements Listener {
    
    public $plugin;

    public function onEnable(){
        $this->getLogger()->info("§b EasyTop Enable...");
        
        @mkdir($this->getDataFolder() . "topten_data");
        
        $this->getServer()->getPluginManager()->registerEvents($this, $this);
        $this->eco = $this->getServer()->getPluginManager()->getPlugin("EconomyAPI");
    }
    
    public function setfarmdata(BlockBreakEvent $event) {
        $player = $event->getPlayer();
        $name = $player->getName();
        $break = $event->getBlock();
        if($break->getId() === 141 || $break->getId() === 142 || $break->getId() === 59 || $break->getId() === 86 || $break->getId() === 103){
            $data = new Config($this->getDataFolder() . "topten_data/topfarm.yml", Config::YAML);
            $up = $data->get($name);
            $data->set($name, $up + 0.1);
            $data->save();
        }
    }
    
    public function createtopten(PlayerJoinEvent $event){
        $player = $event->getPlayer();
        $w = $this->getConfig()->get("world");
        $world = $player->getLevel()->getName() === "$w";
        $top = $this->getConfig()->get("enable");
        
        if($world){
            if($top == "true"){
                $this->TopFarm($player);
                $this->TopExp($player);
            }
        }
    }
    
    public function settopdata(PlayerJoinEvent $event){
        $player = $event->getPlayer();
        $name = $player->getName();       
        
        $exp = new Config($this->getDataFolder() . "topten_data/topexp.yml", Config::YAML);
        $my = $player->getXpLevel();
        $exp->set($name, $my);
        $exp->save();
        
        $farm = new Config($this->getDataFolder() . "topten_data/topfarm.yml", Config::YAML);
        if(!$farm->exists($name)){
            $farm->set($name, 0);
            $farm->save();
        }
    }
    
    public function TopFarm($p){
        $player = $p->getPlayer();
        $data = new Config($this->getDataFolder() . "topten_data/topfarm.yml", Config::YAML);
        $swallet = $data->getAll();
        $c = count($swallet);
        $message = "";
        $top = "§d§lTop 10 player make farm!";
        arsort($swallet);
        $i = 1;
        foreach ($swallet as $name => $amount) {
                    
            $message .= "§b ".$i.". §7".$name."  §akeep  §f".$amount." §aItem\n";
            if($i > 9){
                break;
            }
            ++$i;
        }
        
        
        $x = $this->getConfig()->get("farm-x");
        $y = $this->getConfig()->get("farm-y");
        $z = $this->getConfig()->get("farm-x");
        
        $p = new FloatingTextParticle(new Vector3($x, $y + 1, $z), $message, $top);
        $player->getLevel()->addParticle($p);
    }
    
    public function TopExp($p){
        $player = $p->getPlayer();
        $data = new Config($this->getDataFolder() . "topten_data/topexp.yml", Config::YAML);
        $swallet = $data->getAll();
        $c = count($swallet);
        $message = "";
        $top = "§d§lTop 10 EXP!";
        arsort($swallet);
        $i = 1;
        foreach ($swallet as $name => $amount) {
                    
            $message .= "§b ".$i.". §7".$name."    §f".$amount." §aXP_Level\n";
            if($i > 9){
                break;
            }
            ++$i;
        }
        
        $x = $this->getConfig()->get("exp-x");
        $y = $this->getConfig()->get("exp-y");
        $z = $this->getConfig()->get("exp-x");
        
        $p = new FloatingTextParticle(new Vector3($x, $y + 1, $z), $message, $top);
        $player->getLevel()->addParticle($p);
    }
}


 

What do you mean?

 

I want to use the command for my leaderboard, because it's complicated to use config