True: assign value from field to data property even if it is not valid; false: only assign
valid values
(default = false)
True: turn on auto update after first call to validate to keep updating visuals with
every change to a field; false: only update visual state with a call to validate.
(default = true)
This callback is called when visual state might have changed. (default = null)
True: update all fields whenever a value changes; false=don't update all (default = false)
UFFormController options