hanging the “titleText” property in the Visual Basic Editor doesn't change the session title in “Classic" UI mode.  

Running a macro to change the ThisView.titleText value does change the “titleText” property, but the text doesn't display in the session title.  It still works to change the session tab in “Ribbon” UI mode, for example:

Sub Test()
' Display the host address on the Session tab in a VT session
    ThisView.titleText = ThisTerminal.ConnectionSettingsSecureShell.HostAddress
End Sub

Sub Test2()
' Display the host address on the session tab in an IBM session
    ThisView.titleText = ThisIbmTerminal.HostAddress
End Sub

Full article: https://portal.microfocus.com/s/article/KM000013499