Varolan bir faturayı sorgulamak için: $oldInvoice=newInvoice();$oldInvoice->setUuid("e8277cfa-4ac9-11ea-a5b5-acde48001122");$client->setInvoice($oldInvoice)->getInvoiceFromAPI();// {"faturaUuid":"8a4423bc-4aca-11ea-8c30-acde48001122","faturaTarihi":"09\/02\/2020"... ...