'extensions' => [
    
        'api-tester' => [
        
            // route prefix for APIs
            'prefix' => 'api',
            // auth guard for api
            'guard'  => 'api',
            // If you are not using the default user model as the authentication model, set it up
            'user_retriever' => function ($id) {
                return \App\User::find($id);
            },
        ]
    ]