(form "12001" (size 53 10)
  (heading "SELECT FROM ZONE TO ZONE")
  (label (position  2  3) (text "Define the field and zone required"))
  (label (position  2  4) (text "Field name"))
  (label (position  2  6) (text "Top zone code"))
  (label (position 42  6) (text "T/B"))
  (label (position  2  7) (text "Bot zone code"))
  (label (position 42  7) (text "T/B"))
  (field "geofield" (position 18  4) (display_length 20) (input allowed)
    (null allowed) (max_length 20))
  (field "topzone" (position 20  6) (display_length 20) (input allowed)
    (null allowed) (max_length 20))
  (field "topof" (position 48  6) (display_length  1) (input allowed)
    (value_in "T" "B")
    (translate upper) (null allowed) (max_length 1))
  (field "botzone" (position 20  7) (display_length 20) (input allowed)
    (null allowed) (max_length 20))
  (field "botof" (position 48  7) (display_length  1) (input allowed)
    (value_in "T" "B")
    (translate upper) (null allowed) (max_length 1))
  (default_buttons)
)