getRecordsForEnvelope.m

// find ten records in a given area

SGEnvelope *envelope = [SGEnvelope envelopeWithNorth:40.613952
                                                west:-105.90271
                                               south:39.078908
                                                east:-103.513184];

SGStorageQuery *query = [SGStorageQuery queryWithEnvelope:envelope
                                                    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
                          }]];