// args
args = Caster.toArray(val.get(KeyConstants._arguments));
udf.appendRow(1,new SimpleDumpData("arguments"),arg);
arg.appendRow(7,new SimpleDumpData("name"),new SimpleDumpData("required"),new SimpleDumpData("type"));
Iterator<Object> ait = args.valueIterator();
while(ait.hasNext()){
a=Caster.toStruct(ait.next());
arg.appendRow(0,
new SimpleDumpData(Caster.toString(a.get(KeyConstants._name))),
new SimpleDumpData(Caster.toString(a.get(KeyConstants._required))),