Dropbox API for Ruby

I started develop a webapp and I want to use the dropbox api, but I
can't find how can I share folder with another user...
Can you help me?



Try running a rdoc on the dropbox gem to see the documentation that comes with it.


Yes, but I didn't find anyway to do this.
Although, I saw an app that can share dropbox folder...

I think it isn't possible yet, but there can be another way...