We are are looking to take the IS-Utility payment from the third party software where one API will be called with the variable input parameter (Business Partner/ Amount/ Bill reference number and so on..). and we are trying to post the payment in transaction FPCD cask desk for which we have searched several Functional Module but it do not worked and with BDC recording the transaction we are not able to save. kindly suggest any other payment method and Function Module, to figure out this solution.