add popup at moment of redirect to other file

Hello, with click on a button i redirect to first file of my IOS app, however i want display a popup then but that's not working, check my code below here, can someone fix it?

let shopViewController = [login to view URL](withIdentifier: "Tab2")

[login to view URL] = shopViewController

displayMyAlertMessage(userMessage: "Uw reservatie is geboekt! Uw heeft een bevestingsemail ontvangen; check ook je spam folder.")

Beceriler: iOS Development, Swift

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İşveren Hakkında:
( 187 değerlendirme ) Kessel-Lo, Belgium

Proje NO: #31873626

Bu iş için 10 freelancer ortalamada €42 teklif veriyor

(55 Değerlendirme)
(19 Değerlendirme)
(8 Değerlendirme)
(7 Değerlendirme)
(3 Değerlendirme)

Hi I've core expertise in Swift and over 9 years of experience in iOS dev and this is an easy task for me I can quickly add popup at moment of redirect to other file for you, Please feel free to connect on chat PORTF Daha Fazla

€60 EUR in 2 gün içinde
(3 Değerlendirme)

Hey there! I am available right now to discuss your project! I am sharp iPhone and Android App Developer. I am skillful in Swift and iOS Development. I have read the description of your project and that you are looki Daha Fazla

€25 EUR in 6 gün içinde
(0 Değerlendirme)

Hi, I think your problem isn't complex at all. I would be very happy to assign this project. And also this would be my first portfolio on this platform. Well we can help each other here.

€14 EUR in 7 gün içinde
(0 Değerlendirme)

Hello, I am a software developer with over 5 years of experience in different technologies I believe in honesty and transparency. I can assure you that I am not here to cheat you and make easy money. I have develope Daha Fazla

€15 EUR in 7 gün içinde
(0 Değerlendirme)

Just seems like an interesting problem and want to help you out, payment not required. I think you'd want to present the alert on the same controller you're on before changing the root controller.

€8 EUR in 7 gün içinde
(0 Değerlendirme)