Hi. I have some missunderstanding with checking an in-app purchase receipt locally. In 'Receipt Validation Programming Guide' I found only several descriptions of fields such as 'Quantity', 'Product Identifier', 'Purchase Date' and so on. I need the field 'Is trial period'. I know this field come if I verify a receipt with an apple server as 'is_trial_period'. Which does the code correspond this field if I verify a receipt locally on a device? I have the guess - 1713 🙂 Is it true?