(form "20103" (size 35  10)
  (help "")
  (heading "EXIT BLOCK MODEL")

  (label (position  2  2) (text "Model Name"))
  (field "file_name"(position 10  2)
    (display_length  20)
    (background)
    (max_length 250)
    (input disallowed)
    (null disallowed) 
    )

  (label (position  5  4) (text "(S)ave and Exit"))
  (label (position  5  5) (text "Save (A)s and Exit"))
  (label (position  5  6) (text "(E)xit without Save"))
  (label (position  5  7) (text "Select exit option"))
  (field "exit_mode" (position 25  7) (display_length  1) (input allowed)
    (value_in "S" "A" "E")
    (translate upper) (null disallowed) (max_length 1)
    (default "S")
    )
  (default_buttons)
)