Y esta para que funcione con otra moneda:
IF {OINV.DocCur} = 'MXP' then
"http://qrcode.kaywa.com/img.php?s=6&d= + ?re= + " & {OADM.TaxIdNum} & " + rr= + " & {OINV.LicTradNum} & " + tt= + " & ToText({OINV.DocTotal},"0000000000.000000",6) & " + id= + " & {OINV.EDocNum}
else
"http://qrcode.kaywa.com/img.php?s=6&d= + ?re= + " & {OADM.TaxIdNum} & " + rr= + " & {OINV.LicTradNum} & " + tt= + " & ToText({OINV.DocTotalFC},"0000000000.000000",6) & " + id= + " & {OINV.EDocNum}
Saludos!!