How can i use a dictionnary

[brice DORA]

Le mardi 13 janvier 2015 16:01:22 UTC, rand... at fastmail.us a écrit :
> On Tue, Jan 13, 2015, at 04:03, brice DORA wrote:
> > i consume a web service that return a element whose the type is
> > "instance". but this element seem be a dictionary but when i want to use
> > it like a dictionary, i got some errors. so this is the element and
> > please someone can tell me how can i use it. tkanks in advance.
> 
> Do you have any more information about this web service, so that you can
> find a formal specification (or at least name) of the output format, or
> maybe a way to make it return XML or JSON instead?

how can i return it in XML or JSON i can say what lib can permit me to do it easier?