Need to put first raw in to column name.
Not sure how the picture is related but if you wish to move first column to top, do it first interactively in JMP and copy the script from enhanced log (or search for the term from Scripting Index)
Usually messages you can send to objects are exactly the same you can select from menus (in this case << Move Up)
Jarmo gave you the best way how to use Jmp to do things for you: use the GUI and then Steal This Code!
Alternatively, you can call commands in the main menu via:
main menu("move up")
the argument is the "Internal name" which can be found via View/Customize/Menus and Toolbars:
For built-in commands there is no benefit - even a disadvantage: there is no return value
But for custom commands (from AddIns) this a very convenient way to trigger them via JSL (without the help of the log) - because triggering an AddIn is one of the Actions missed by Advanced Log/Workflow Builder