MercadoPago\Preference Object
(
    [id:protected] => 
    [auto_return:protected] => approved
    [back_urls:protected] => Array
        (
            [success] => https://store.miladonintendo.cl/
        )

    [notification_url:protected] => 
    [init_point:protected] => 
    [sandbox_init_point:protected] => 
    [operation_type:protected] => 
    [additional_info:protected] => 
    [external_reference:protected] => 
    [expires:protected] => 
    [expiration_date_from:protected] => 
    [expiration_date_to:protected] => 
    [date_of_expiration:protected] => 
    [collector_id:protected] => 
    [client_id:protected] => 
    [marketplace:protected] => 
    [marketplace_fee:protected] => 
    [differential_pricing:protected] => 
    [payment_methods:protected] => 
    [items:protected] => Array
        (
        )

    [payer:protected] => 
    [shipments:protected] => 
    [date_created:protected] => 
    [sponsor_id:protected] => 
    [processing_modes:protected] => 
    [binary_mode:protected] => 1
    [taxes:protected] => 
    [statement_descriptor:protected] => MLN Store
    [metadata:protected] => 
    [tracks:protected] => 
    [_last:protected] => 
    [error:protected] => MercadoPago\RecuperableError Object
        (
            [message] => invalid access token
            [status] => 
            [error] => 
            [causes] => Array
                (
                )

        )

    [_pagination_params:protected] => 
    [_empty:protected] => 
)