(4.0.5 - 4.2.3 only)
cybermut_creerreponsecm()
returns a string containing delivery acknowledgement
message.
The parameter is "OK" if the message of confirmation of
the payment was correctly identified by
cybermut_testmac(). Any other chain is regarded as an
error message.
See also cybermut_creerformulairecm() and
cybermut_testmac().