This object wraps a FormDef field object contained within a form definition. Field numbering always begins with 1 (not 0) and proceeds in the order in which the fields were defined in the form definition. For example, the fifth field defined in a form definition is field number 5.
"Set" methods are only useful when used in the FieldInterpret event.
Below is a list of the methods specific to the FieldDef object.
Overview of objects in the Classic API
Where to find additional information about methods and events