How do I make a work application that is a subscription request

How do I make a work application that is a subscription request with the user name with the specified value for the subscription and the balance for the specified value How .. is this application built

How do I make a work application that is a subscription request with the user name with the specified value for the subscription and the balance for the specified value How .. is this application built...And when the request is made, I receive a logo on my Android, email, or on a private channel in Telegram