url.swift

if let url = URL(string: "https://www.agoda.com/pages/agoda/default/DestinationSearchResult.aspx?pcs=1&cid=1807795&hl=en&city=16594") {
			UIApplication.shared.open(url, options: [:], completionHandler: nil)
}

viewcontroller.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
	[super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
}

-(void)viewDidAppear:(BOOL)animated {
	[super viewDidAppear:animated];
	NSURL *url = [NSURL URLWithString:@"https://www.agoda.com/pages/agoda/default/DestinationSearchResult.aspx?pcs=1&cid=1807795&hl=en&city=16594"];
	if (url != nil) {
		[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
	}
}


- (void)didReceiveMemoryWarning {
	[super didReceiveMemoryWarning];
	// Dispose of any resources that can be recreated.
}


@end