Cannot perform scripting operations on lists

Hi,

I'm having trouble performing scripting operations on lists, the only variables I can retrieve from lists are the values @HasLeadSelection, @LeadSelectedIndex and @RowCount. I cannot perform any methods on lists, I have gone through the Complete Help document and have also tried to use Resolve to attempt to access list rows but that doesn't seem to working either. Any help would be greatly appreciated!

Thanks

Alexander Ludwig