Custom plugin settings add on admin nav bar I want to control my plugin on the admin navbar but I can't found a way for that.
You need to use the EVENT_REGISTER_CP_NAV_ITEMS event in the main plugin class. From the docs:
use craft\events\RegisterCpNavItemsEvent;
use craft\web\twig\variables\Cp;
use yii\base\Event;

public function init()
{
    parent::init();

    Event::on(
        Cp::class,
        Cp::EVENT_REGISTER_CP_NAV_ITEMS,
        function(RegisterCpNavItemsEvent $event) {
            $event-&gt;navItems[] = [
                'url' =&gt; 'section-url',
                'label' =&gt; 'Section Label',
                'icon' =&gt; '@mynamespace/path/to/icon.svg',
            ];
        }
    );

    // ...
}