SyntaxlogMemberAccess( purchase_id, platform_name, login_name, login_url, number_of_unlocked_lectures, total_number_of_lectures, login_at='now' )Notifies Digistore, that a buyer has logged in his Membership account and accessed the bought content.This is important only for German refund handling - and only for purchases without the option to refund. For these purchase refund_days=0 is transmitted via ipn.If you do not sell via Digistore Germany or if you allow a 14 day (or longer) refund policy, you don't need this api function.Important: Only call this function, if the buyer actually has logged in. Otherwise we will not be able to use this information for refund handling.Access rightsFull access requiredParameterspurchase_id – the id of the purchaseplatform_name – the readable name of the member ship area, e.g. vip clublogin_name – the buyer's user name for the membership arealogin_url – the url the buyer used to login.number_of_unlocked_lectures – Number of lectures the member has access, because he bought the course belonging to the purchase with the given purchase_id.total_number_of_lectures – Total number of lectures of the course - i.e. the number of unlocked and still locked lectures.login_at – date time - optional - defaults to 'now'. Use for batch logging. Return datanone