// get records near a point

SGStorageQuery *query = [SGStorageQuery queryWithPoint:[SGPoint pointWithLat:37.772445 lon:-122.405913]
                                                 layer:@"com.simplegeo.example"];

[client getRecordsForQuery:query
                  callback:[SGCallback callbackWithSuccessBlock:
                            ^(id response) {
                                // you've got records!
                                // to create an array of SGStoredRecord objects...
                                NSArray *records = [NSArray arrayWithSGCollection:response
                                                                             type:SGCollectionTypeRecords];
                            } failureBlock^(NSError *error) {
                                // handle failure
                            }]];