Models\User.php

<?php

namespace App\Models;

class User extends Authenticatable
{
    use Notifiable, HasRoles, Billable;
  
    public $table = 'users';

    protected $fillable = [
        'name',
        'email',
        'password',
    ];

    protected $hidden = [
        'password',
        'remember_token',
    ];  
  
    public function scopeCustomers($query)
    {
      return  $query->role('CUSTOMER');
    }
}