$paymentDetails = CRM_Pledge_BAO_PledgePayment::getOldestPledgePayment($params['pledge_id']);
if (empty($paymentDetails)) {
return civicrm_api3_create_error("There are no unmatched payment on this pledge. Pass in the pledge_payment id to specify one or 'option.create_new' to create one");
$paymentDetails = CRM_Pledge_BAO_PledgePayment::getOldestPledgePayment($params['pledge_id']);
if (empty($paymentDetails)) {
return civicrm_api3_create_error("There are no unmatched payment on this pledge. Pass in the pledge_payment id to specify one or 'option.create_new' to create one");