(form "01301" 
    (size 50 6)
    (help "01301_TIP_0")
    (heading "WORKSPACE SAVE"
    )

    (label   
        (position  10  3) 
        (text "Workspace File"
        )
    )
    (field "file" 
        (position 10  4)
        (display_length 26)
        (max_length 40)
        (file output (extension trim "*.swa"))
        (input allowed)
        (null disallowed) 
        (help "01301_TIP_1")
    )
    (default_buttons)
)