Paypal recurring return variables

Question

Guys

I use the paypal recurring payment.When the payment is completed then it returns only

[auth] => -bo4Ft_iPRN2E7Svk5x2s1UAIJ4-hfnCdmpXExbPM8KL6lFw9ChFI72D5wzy_0h2zGxSKvPxEICYrAPbVPJ62Dzfpwg1cG57jUcjYUObVrYKezMfAJP2v26IyNkyYga_s7h4AiQVzdV7jwfs6E_wJCUfDJLXhNqA7pXZZFB86Z7vJ4mrrmhUduhO-MVXwRQbIZnklc_pA4UQCdVxXd9ppiqemlu
    [form_charset] => UTF-8

i dont know how to get the return values like TXT_ID,Payment status etc..

please help me to sort it out

Thanks Dipen