Как вариант:
X++:
static void Job55(Args _args)
{
container packedStruct;
Struct s = new Struct();
Struct s1 = new Struct();
Struct s2;
Struct s3;
;
s.add("name", "Jane Dow");
s.add("age" , 34);
s1.add("struct1", s.pack());
packedStruct = s1.pack();
s2 = Struct::create(packedStruct);
s3 = Struct::create(s2.valueIndex(1));
print s3.toString();
pause;
}