Solved Custom message for no-permission not working

PHP:

$username = onCommand($player->getName());
            if($command->getName() == "pui"){
                if(!($player instanceof Player)){
                        $player->sendMessage("No u dont have permission");
                        return false;

Its not working, the message is still default..
How do i fix this?

 

If you return false it will show the default usage message, return true instead

PHP:

$username = onCommand($player->getName());

This line doesnt look right too

 

did you set permission in plugin.yml for command ? if yes you just need to unset it from plugin.yml and done . you should use === for if($command->getName() == "pui"){ Cuz command's name is string and == is for bool - int - float &... but for string you should use ===

 

and this code is trash . you just say if the sender is isntanceof Player . you didnt set any permission for the command . start learning from basics

 

I added === still didnt work
I removed permissions from plugin.yml now everyone can use the command..

 

I change it to return true, still not working
I asked for help, not for opinions..

 

Self solved!
For those who are looking:

PHP:

public function onCommand(CommandSender $player, Command $command, string $label, array $params) : bool
    {
    $name = $player->getName();
        if(!$player instanceof Player){
        $player->sendMessage("Please use command in-game");
        return false;
        }
            $username = strtolower($player->getName());
            if($command->getName() === "pui"){
                if(!$player->hasPermission("p.ui")){
                        $player->sendMessage("§7You don't have permission");
                        return true;
                }

Permissions from plugin.yml have to be removed.

 

thats what i told you thats not self sloved but gg

 

All u told me was to delete permissions from plugin.yml and add ===, u didnt help me at all, i found another post like mine and i saw there how to do it..