[FX.php List] Adding multiple rows in portal, but how is it implemented in FX.php?

[Gjermund Gusland Thorsen]

Here is the raw RPC URI for FileMaker 5.x - 6.x

FMPro?–db=employees.fp5&–lay=LayoutOne&recid=11&FirstName=Sam&LastName=Smith&Address::City.1=Seattle&Address::City.2=New
York&–format=–fmp_xml&–edit

But how is it implemented in FX.php?