richardjkeys

- (void) buyFeature:(NSString*) featureId onComplete:(void (^)(NSString*)) completionBlock onCancelled:(void (^)(void)) cancelBlock;

//method call
[[MKStoreKit sharedManager] buyFeature:[product objectForKey:@"identifier"] onComplete:^ {
        NSLog(@"Transaction Complete");
    } onCancelled:^ {
        NSLog(@"Purchase Cancelled");
    }];