Solved Creating a command (CustomUI)

Hey does anyone know how to create a command on customui?

 

Customui by XenialDan ?

PHP:

public function onCommand(CommandSender $sender, Command $command, string $label, array $args) : bool {
        $cmd = strtolower($command->getName());
        switch($cmd){
            case "test":
            UIAPI::showUIbyID($plugin, MainClass::$uis['UINAME'], $player);
}


 

Wasn't needed I figured it out.