gistfile1.txt

 -(void)registerDevice
    {
       MobileDeviceRegistrationRequest *registrationRequest=[MobileDeviceRegistrationRequest mobileDeviceRegistrationRequest];

       registrationRequest.anetApiRequest.merchantAuthentication.name=@"loginid";

       registrationRequest.anetApiRequest.merchantAuthentication.password = @"password";

       registrationRequest.mobileDevice.mobileDescription=@"asd";
       registrationRequest.mobileDevice.mobileDeviceId=[[[UIDevice currentDevice] uniqueIdentifier]
                                                         stringByReplacingOccurrencesOfString:@"-" withString:@"_"];    
       [AuthNet authNetWithEnvironment:ENV_TEST];
       AuthNet *an = [AuthNet getInstance];

       [an setDelegate:self];

       [an mobileDeviceRegistrationRequest:registrationRequest];

    }