how to user role using spatie code example

Example 1: get users of specific role laravel role spatie

$users = User::role('writer')->get();

Example 2: create role spatie

// Create a role or permission if necessary
use Spatie\Permission\Models\Role;
use Spatie\Permission\Models\Permission;

$role = Role::create(['name' => 'writer']);
$permission = Permission::create(['name' => 'edit articles']);