#import "ISNetwork.h"

NSURL *URL = [NSURL URLWithString:@"http://www.github.com"];
NSURLRequest *reqeust = [NSURLRequest requestWithURL:URL];

[ISNetworkClient sendRequest:request
                     handler:^(NSHTTPURLResponse *response, id object, NSError *error) {
                         if (error || response.statusCode != 200) {
                             // error
                             return;
                         }
                         // completion
                     }];