Play on the calculator from the API Odnoklassniki getting a list of friends, can someone?

Question

Classmates

Play on the calculator from the API Odnoklassniki getting a list of friends, can someone?
I've been trying for 2 days now.
If someone succeeds, can you post a link?
Here's what happened to me .

Answer 1

Almost everything turned out right.
To call the main methods, VALUABLE_ACCESS was needed, they issued it.
Instead of uid, most likely, there should be a fid parameter.