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#import "XChannelSDK/XChannel.h"\r\n\r\n- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {\r\n    [XChannel setAPIKey:XCHANNEL_API_KEY secret:@"YOUR_XCHANNEL_SECRET_KEY"]; [[LocationManager sharedInstance] startLocationQuery];\r\n\r\n    return YES;\r\n}\r\n\r\n//LocationManager::startLocationQuery  -- query for the location data\r\n-(void)startLocationQuery { ... [locationManager startUpdatingLocation]; [XChannel getBeaconsForLongitude:location.coordinate.longitude latitude:location.coordinate.latitude  completion:^(NSArray* beacons, NSError *error){\r\n        if (error == nil) {\r\n            for (XCBeacon *beacon in beacons) {\r\n                XCBeaconRegion *region = [[XCBeaconRegion alloc] initWithUUID:beacon.uuid];\r\n\r\n                //region may be nil if o.uuid is invalid\r\n                if (region) {\r\n                    [locationManager startMonitoringForRegion:region];\r\n                }\r\n            }\r\n        }    \r\n    }];\r\n}\r\n\r\n- (void)locationManager:(CLLocationManager *)manager didRangeBeacons:(NSArray *)beacons inRegion:(CLBeaconRegion *)region {\r\n    if ([beacons count] > 0) {\r\n        //Beacon array is ordered by closest to farthest\r\n        CLBeacon *closestBeacon = beacons[0];\r\n\r\n        [XChannel getDealsForBeacon:closestBeacon region:region completion: ^(NSArray *beaconDeals, NSError *error) {\r\n            //Handle the deals returned }];\r\n    }\r\n}