laravel gates permission foreach

Question

excuse me, i'm a junior developer and im still learn about laravel gates concept. i have a tables structure like this.

1. Users = id, email, password, role_id.

2. role = id, name, description.

3. permission = id, name, slug.

4. role_permission = permission_id, role_id. and this is my code

   $permission = Permission::all();

    foreach($permission as $p){
        Gate::define($p->slug, function(User $user) use ($p) {
            return $user->role_id === ???;
        });
    }
   

My Code

what should i return to protect gates, thanks.

im still learning about laravel gates concept, so i hope the other senior developers help me to explain about gates