The KEY attribute is used to define the labels of keys when the field is made current.
KEY keyname = [%]"label"
Use the KEY attribute to define a label for the accelerator key corresponding to an action when the focus is in the field.
The keyname must be specified in quotes if you want to use Control / Shift / Alt key modifiers.
See the KEYS section to define key labels for the whole form.
EDIT f001 = customer.city, KEY F10 = "City list"; EDIT f002 = customer.state, KEY "Control-z" = "Open Zoom";