SWIFT ios XCODE simple mobile app

XCODE 9.4.1 SWIFT -> latest version Source code needed so that it can work in my XCODE 1) Screen1 -> text box entry for ORGID number (alphanumeric) 2) Once validated Screen2 -> Lists all groupnames When a particular groupname is clicked Screen3 list the first section name in a particular group list of employees under this section. The list of employees should radio buttons With NEXT previous button When NEXT button is clicked the next screens should show the next section name with its employees / radio buttons one by one screen4, 5 etc All along the screen heading must show the groupname and a back to list of groupnames sceen button (screen2) The data should be retrieved from a SWIFT variable hard coded json string [login to view URL]