<?php include_once '../../lib/phpWeFact/WeFact_Api.php'; include_once '../../lib/phpWeFact/WeFact_Model.php'; include_once '../../lib/phpWeFact/WeFact_CreditInvoice.php'; include_once '../../lib/phpWeFact/WeFact_CreditInvoiceLine.php'; $creditInvoice = new WeFact_CreditInvoice(); $invoiceLine = new WeFact_CreditInvoiceLine(); $invoiceLine2 = new WeFact_CreditInvoiceLine(); $invoiceLine->setNumber('1')->setDescription('An awesome product!')->setPriceExcl('50.13')->setTaxPercentage('21'); $invoiceLine2->setNumber('5')->setDescription('Another awesome product!')->setPriceExcl('10.95')->setTaxPercentage('21'); $creditInvoice->setCreditorCode("CD0020")->addInvoiceLine($invoiceLine)->addInvoiceLine($invoiceLine2); $result = $creditInvoice->save(); var_dump($result);