If you record a test case against a GUI object for which there is no declaration or if you want to write a test case from scratch against such an object, Silk Test Classic requires a special syntax to uniquely identify the GUI object because there is no identifier.
class("tag").class("tag"). ...
MainWin("Untitled - Notepad|$C:\Windows\SysWOW64\notepad.exe").DialogBox("Find")
To create the dynamic tag, the recorder uses the multiple-tag settings that are stored in the Record Window Declarations dialog box. In the example shown above, the tag for the Notepad contains its caption as well as its window ID.
FindMainWin("/MainWin[@caption='Untitled - Notepad']").FindDialogBox("Find")