So in REST API I would do something like in the official tutorial:
curl -X GET \
-H "QuickBlox-REST-API-Version: 0.1.0" \
-H "QB-Token: cc3598167f68a8e95b50a4fc6607cd3a8e7f043b" \
http://api.quickblox.com/geodata/find.xml?radius=100¤t_position=90%3B90
How do I do something similar with iOS SDK?