una/plugins/chargebee/ChargeBee/Models/PaymentSourceCard.php

<?php

class ChargeBee_PaymentSourceCard extends ChargeBee_Model
{
  protected $allowed = array('first_name', 'last_name', 'iin', 'last4', 'brand', 'funding_type', 'expiry_month', 'expiry_year', 'billing_addr1', 'billing_addr2', 'billing_city', 'billing_state_code', 'billing_state', 'billing_country', 'billing_zip', 'masked_number');

}

?>